Home / 83,811.27-125,718.54-31,210.29

Finding the Fourth Proportional to 83,811.27, 125,718.54 and 31,210.29

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Solution

The fourth proportional to 83,811.27, 125,718.54 and 31,210.29 is: 46,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,811.27 : 125,718.54 = 31,210.29 : x
  2. Step 2: Convert to fraction form
    83,811.27/125,718.54 = 31,210.29/x
  3. Step 3: Cross multiply
    83,811.27x = 125,718.54 × 31,210.29
  4. Step 4: Simplify right side
    83,811.27x = 3,923,712,091.78
  5. Step 5: Solve for x
    x = 3,923,712,091.78/83,811.27
  6. Step 6: Final answer
    x = 46,816.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.