Home / 45,402.39-62,686.17-28,413.52

Finding the Fourth Proportional to 45,402.39, 62,686.17 and 28,413.52

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Solution

The fourth proportional to 45,402.39, 62,686.17 and 28,413.52 is: 39,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,402.39 : 62,686.17 = 28,413.52 : x
  2. Step 2: Convert to fraction form
    45,402.39/62,686.17 = 28,413.52/x
  3. Step 3: Cross multiply
    45,402.39x = 62,686.17 × 28,413.52
  4. Step 4: Simplify right side
    45,402.39x = 1,781,134,588.30
  5. Step 5: Solve for x
    x = 1,781,134,588.30/45,402.39
  6. Step 6: Final answer
    x = 39,229.97

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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.