Home / 56,646.38-84,805.54-42,665.29

Finding the Fourth Proportional to 56,646.38, 84,805.54 and 42,665.29

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Solution

The fourth proportional to 56,646.38, 84,805.54 and 42,665.29 is: 63,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,646.38 : 84,805.54 = 42,665.29 : x
  2. Step 2: Convert to fraction form
    56,646.38/84,805.54 = 42,665.29/x
  3. Step 3: Cross multiply
    56,646.38x = 84,805.54 × 42,665.29
  4. Step 4: Simplify right side
    56,646.38x = 3,618,253,265.32
  5. Step 5: Solve for x
    x = 3,618,253,265.32/56,646.38
  6. Step 6: Final answer
    x = 63,874.40

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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.