Home / 88,282.74-121,832.58-47,999.21

Finding the Fourth Proportional to 88,282.74, 121,832.58 and 47,999.21

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Solution

The fourth proportional to 88,282.74, 121,832.58 and 47,999.21 is: 66,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,282.74 : 121,832.58 = 47,999.21 : x
  2. Step 2: Convert to fraction form
    88,282.74/121,832.58 = 47,999.21/x
  3. Step 3: Cross multiply
    88,282.74x = 121,832.58 × 47,999.21
  4. Step 4: Simplify right side
    88,282.74x = 5,847,867,592.26
  5. Step 5: Solve for x
    x = 5,847,867,592.26/88,282.74
  6. Step 6: Final answer
    x = 66,240.21

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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.