Home / 83,123.73-114,705.45-45,397.98

Finding the Fourth Proportional to 83,123.73, 114,705.45 and 45,397.98

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Solution

The fourth proportional to 83,123.73, 114,705.45 and 45,397.98 is: 62,646.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,123.73 : 114,705.45 = 45,397.98 : x
  2. Step 2: Convert to fraction form
    83,123.73/114,705.45 = 45,397.98/x
  3. Step 3: Cross multiply
    83,123.73x = 114,705.45 × 45,397.98
  4. Step 4: Simplify right side
    83,123.73x = 5,207,395,724.99
  5. Step 5: Solve for x
    x = 5,207,395,724.99/83,123.73
  6. Step 6: Final answer
    x = 62,646.32

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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.