Home / 48,458.06-72,687.09-15,178.40

Finding the Fourth Proportional to 48,458.06, 72,687.09 and 15,178.40

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Solution

The fourth proportional to 48,458.06, 72,687.09 and 15,178.40 is: 22,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458.06 : 72,687.09 = 15,178.40 : x
  2. Step 2: Convert to fraction form
    48,458.06/72,687.09 = 15,178.40/x
  3. Step 3: Cross multiply
    48,458.06x = 72,687.09 × 15,178.40
  4. Step 4: Simplify right side
    48,458.06x = 1,103,273,726.86
  5. Step 5: Solve for x
    x = 1,103,273,726.86/48,458.06
  6. Step 6: Final answer
    x = 22,767.60

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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.