Home / 48,738.48-72,950.78-39,272.10

Finding the Fourth Proportional to 48,738.48, 72,950.78 and 39,272.10

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Solution

The fourth proportional to 48,738.48, 72,950.78 and 39,272.10 is: 58,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,738.48 : 72,950.78 = 39,272.10 : x
  2. Step 2: Convert to fraction form
    48,738.48/72,950.78 = 39,272.10/x
  3. Step 3: Cross multiply
    48,738.48x = 72,950.78 × 39,272.10
  4. Step 4: Simplify right side
    48,738.48x = 2,864,930,327.24
  5. Step 5: Solve for x
    x = 2,864,930,327.24/48,738.48
  6. Step 6: Final answer
    x = 58,781.69

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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.