Home / 83,996.31-126,013.17-30,688.20

Finding the Fourth Proportional to 83,996.31, 126,013.17 and 30,688.20

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Solution

The fourth proportional to 83,996.31, 126,013.17 and 30,688.20 is: 46,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,996.31 : 126,013.17 = 30,688.20 : x
  2. Step 2: Convert to fraction form
    83,996.31/126,013.17 = 30,688.20/x
  3. Step 3: Cross multiply
    83,996.31x = 126,013.17 × 30,688.20
  4. Step 4: Simplify right side
    83,996.31x = 3,867,117,363.59
  5. Step 5: Solve for x
    x = 3,867,117,363.59/83,996.31
  6. Step 6: Final answer
    x = 46,039.13

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1.5x scale

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.