Home / 87,851.31-121,233.69-47,564.16

Finding the Fourth Proportional to 87,851.31, 121,233.69 and 47,564.16

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Solution

The fourth proportional to 87,851.31, 121,233.69 and 47,564.16 is: 65,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,851.31 : 121,233.69 = 47,564.16 : x
  2. Step 2: Convert to fraction form
    87,851.31/121,233.69 = 47,564.16/x
  3. Step 3: Cross multiply
    87,851.31x = 121,233.69 × 47,564.16
  4. Step 4: Simplify right side
    87,851.31x = 5,766,378,628.55
  5. Step 5: Solve for x
    x = 5,766,378,628.55/87,851.31
  6. Step 6: Final answer
    x = 65,637.94

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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.