Home / 88,816.71-122,567.09-47,980.84

Finding the Fourth Proportional to 88,816.71, 122,567.09 and 47,980.84

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Solution

The fourth proportional to 88,816.71, 122,567.09 and 47,980.84 is: 66,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,816.71 : 122,567.09 = 47,980.84 : x
  2. Step 2: Convert to fraction form
    88,816.71/122,567.09 = 47,980.84/x
  3. Step 3: Cross multiply
    88,816.71x = 122,567.09 × 47,980.84
  4. Step 4: Simplify right side
    88,816.71x = 5,880,871,934.56
  5. Step 5: Solve for x
    x = 5,880,871,934.56/88,816.71
  6. Step 6: Final answer
    x = 66,213.58

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.