Home / 83,035.26-124,553.31-20,705.76

Finding the Fourth Proportional to 83,035.26, 124,553.31 and 20,705.76

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Solution

The fourth proportional to 83,035.26, 124,553.31 and 20,705.76 is: 31,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,035.26 : 124,553.31 = 20,705.76 : x
  2. Step 2: Convert to fraction form
    83,035.26/124,553.31 = 20,705.76/x
  3. Step 3: Cross multiply
    83,035.26x = 124,553.31 × 20,705.76
  4. Step 4: Simplify right side
    83,035.26x = 2,578,970,944.07
  5. Step 5: Solve for x
    x = 2,578,970,944.07/83,035.26
  6. Step 6: Final answer
    x = 31,058.74

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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.