Home / 83,590.78-115,354.92-45,864.22

Finding the Fourth Proportional to 83,590.78, 115,354.92 and 45,864.22

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Solution

The fourth proportional to 83,590.78, 115,354.92 and 45,864.22 is: 63,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,590.78 : 115,354.92 = 45,864.22 : x
  2. Step 2: Convert to fraction form
    83,590.78/115,354.92 = 45,864.22/x
  3. Step 3: Cross multiply
    83,590.78x = 115,354.92 × 45,864.22
  4. Step 4: Simplify right side
    83,590.78x = 5,290,663,428.96
  5. Step 5: Solve for x
    x = 5,290,663,428.96/83,590.78
  6. Step 6: Final answer
    x = 63,292.43

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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.