Home / 84,691.17-127,058.09-59,779.89

Finding the Fourth Proportional to 84,691.17, 127,058.09 and 59,779.89

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Solution

The fourth proportional to 84,691.17, 127,058.09 and 59,779.89 is: 89,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,691.17 : 127,058.09 = 59,779.89 : x
  2. Step 2: Convert to fraction form
    84,691.17/127,058.09 = 59,779.89/x
  3. Step 3: Cross multiply
    84,691.17x = 127,058.09 × 59,779.89
  4. Step 4: Simplify right side
    84,691.17x = 7,595,518,344.91
  5. Step 5: Solve for x
    x = 7,595,518,344.91/84,691.17
  6. Step 6: Final answer
    x = 89,684.89

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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.