Home / 61,042.61-91,565.13-40,116.06

Finding the Fourth Proportional to 61,042.61, 91,565.13 and 40,116.06

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Solution

The fourth proportional to 61,042.61, 91,565.13 and 40,116.06 is: 60,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042.61 : 91,565.13 = 40,116.06 : x
  2. Step 2: Convert to fraction form
    61,042.61/91,565.13 = 40,116.06/x
  3. Step 3: Cross multiply
    61,042.61x = 91,565.13 × 40,116.06
  4. Step 4: Simplify right side
    61,042.61x = 3,673,232,248.99
  5. Step 5: Solve for x
    x = 3,673,232,248.99/61,042.61
  6. Step 6: Final answer
    x = 60,174.89

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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.