Home / 87,843.60-121,224.09-47,557.32

Finding the Fourth Proportional to 87,843.60, 121,224.09 and 47,557.32

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Solution

The fourth proportional to 87,843.60, 121,224.09 and 47,557.32 is: 65,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,843.60 : 121,224.09 = 47,557.32 : x
  2. Step 2: Convert to fraction form
    87,843.60/121,224.09 = 47,557.32/x
  3. Step 3: Cross multiply
    87,843.60x = 121,224.09 × 47,557.32
  4. Step 4: Simplify right side
    87,843.60x = 5,765,092,839.84
  5. Step 5: Solve for x
    x = 5,765,092,839.84/87,843.60
  6. Step 6: Final answer
    x = 65,629.06

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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.