Home / 52,691.09-72,712.22-28,817.25

Finding the Fourth Proportional to 52,691.09, 72,712.22 and 28,817.25

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Solution

The fourth proportional to 52,691.09, 72,712.22 and 28,817.25 is: 39,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,691.09 : 72,712.22 = 28,817.25 : x
  2. Step 2: Convert to fraction form
    52,691.09/72,712.22 = 28,817.25/x
  3. Step 3: Cross multiply
    52,691.09x = 72,712.22 × 28,817.25
  4. Step 4: Simplify right side
    52,691.09x = 2,095,366,077.71
  5. Step 5: Solve for x
    x = 2,095,366,077.71/52,691.09
  6. Step 6: Final answer
    x = 39,766.99

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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.