Home / 71,342.10-98,444.14-39,503.02

Finding the Fourth Proportional to 71,342.10, 98,444.14 and 39,503.02

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Solution

The fourth proportional to 71,342.10, 98,444.14 and 39,503.02 is: 54,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342.10 : 98,444.14 = 39,503.02 : x
  2. Step 2: Convert to fraction form
    71,342.10/98,444.14 = 39,503.02/x
  3. Step 3: Cross multiply
    71,342.10x = 98,444.14 × 39,503.02
  4. Step 4: Simplify right side
    71,342.10x = 3,888,840,831.30
  5. Step 5: Solve for x
    x = 3,888,840,831.30/71,342.10
  6. Step 6: Final answer
    x = 54,509.76

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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.