Home / 48,537.48-72,780.12-28,553.88

Finding the Fourth Proportional to 48,537.48, 72,780.12 and 28,553.88

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Solution

The fourth proportional to 48,537.48, 72,780.12 and 28,553.88 is: 42,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,537.48 : 72,780.12 = 28,553.88 : x
  2. Step 2: Convert to fraction form
    48,537.48/72,780.12 = 28,553.88/x
  3. Step 3: Cross multiply
    48,537.48x = 72,780.12 × 28,553.88
  4. Step 4: Simplify right side
    48,537.48x = 2,078,154,812.87
  5. Step 5: Solve for x
    x = 2,078,154,812.87/48,537.48
  6. Step 6: Final answer
    x = 42,815.47

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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.