Home / 48,542.82-72,746.55-36,686.85

Finding the Fourth Proportional to 48,542.82, 72,746.55 and 36,686.85

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Solution

The fourth proportional to 48,542.82, 72,746.55 and 36,686.85 is: 54,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,542.82 : 72,746.55 = 36,686.85 : x
  2. Step 2: Convert to fraction form
    48,542.82/72,746.55 = 36,686.85/x
  3. Step 3: Cross multiply
    48,542.82x = 72,746.55 × 36,686.85
  4. Step 4: Simplify right side
    48,542.82x = 2,668,841,767.87
  5. Step 5: Solve for x
    x = 2,668,841,767.87/48,542.82
  6. Step 6: Final answer
    x = 54,979.12

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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.