Home / 83,475.12-125,210.85-20,295.59

Finding the Fourth Proportional to 83,475.12, 125,210.85 and 20,295.59

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Solution

The fourth proportional to 83,475.12, 125,210.85 and 20,295.59 is: 30,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,475.12 : 125,210.85 = 20,295.59 : x
  2. Step 2: Convert to fraction form
    83,475.12/125,210.85 = 20,295.59/x
  3. Step 3: Cross multiply
    83,475.12x = 125,210.85 × 20,295.59
  4. Step 4: Simplify right side
    83,475.12x = 2,541,227,449.10
  5. Step 5: Solve for x
    x = 2,541,227,449.10/83,475.12
  6. Step 6: Final answer
    x = 30,442.93

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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.