Home / 58,691.39-80,867.36-39,795.71

Finding the Fourth Proportional to 58,691.39, 80,867.36 and 39,795.71

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Solution

The fourth proportional to 58,691.39, 80,867.36 and 39,795.71 is: 54,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,691.39 : 80,867.36 = 39,795.71 : x
  2. Step 2: Convert to fraction form
    58,691.39/80,867.36 = 39,795.71/x
  3. Step 3: Cross multiply
    58,691.39x = 80,867.36 × 39,795.71
  4. Step 4: Simplify right side
    58,691.39x = 3,218,173,702.18
  5. Step 5: Solve for x
    x = 3,218,173,702.18/58,691.39
  6. Step 6: Final answer
    x = 54,832.13

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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.