Home / 83,123.03-114,709.77-45,397.28

Finding the Fourth Proportional to 83,123.03, 114,709.77 and 45,397.28

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Solution

The fourth proportional to 83,123.03, 114,709.77 and 45,397.28 is: 62,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,123.03 : 114,709.77 = 45,397.28 : x
  2. Step 2: Convert to fraction form
    83,123.03/114,709.77 = 45,397.28/x
  3. Step 3: Cross multiply
    83,123.03x = 114,709.77 × 45,397.28
  4. Step 4: Simplify right side
    83,123.03x = 5,207,511,834.20
  5. Step 5: Solve for x
    x = 5,207,511,834.20/83,123.03
  6. Step 6: Final answer
    x = 62,648.24

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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.