Home / 61,402.14-84,530.25-58,580.91

Finding the Fourth Proportional to 61,402.14, 84,530.25 and 58,580.91

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Solution

The fourth proportional to 61,402.14, 84,530.25 and 58,580.91 is: 80,646.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,402.14 : 84,530.25 = 58,580.91 : x
  2. Step 2: Convert to fraction form
    61,402.14/84,530.25 = 58,580.91/x
  3. Step 3: Cross multiply
    61,402.14x = 84,530.25 × 58,580.91
  4. Step 4: Simplify right side
    61,402.14x = 4,951,858,967.53
  5. Step 5: Solve for x
    x = 4,951,858,967.53/61,402.14
  6. Step 6: Final answer
    x = 80,646.36

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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.