Home / 88,098.39-121,575.87-47,812.17

Finding the Fourth Proportional to 88,098.39, 121,575.87 and 47,812.17

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Solution

The fourth proportional to 88,098.39, 121,575.87 and 47,812.17 is: 65,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,098.39 : 121,575.87 = 47,812.17 : x
  2. Step 2: Convert to fraction form
    88,098.39/121,575.87 = 47,812.17/x
  3. Step 3: Cross multiply
    88,098.39x = 121,575.87 × 47,812.17
  4. Step 4: Simplify right side
    88,098.39x = 5,812,806,164.34
  5. Step 5: Solve for x
    x = 5,812,806,164.34/88,098.39
  6. Step 6: Final answer
    x = 65,980.84

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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.