Home / 48,085.52-72,129.29-14,805.86

Finding the Fourth Proportional to 48,085.52, 72,129.29 and 14,805.86

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Solution

The fourth proportional to 48,085.52, 72,129.29 and 14,805.86 is: 22,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,085.52 : 72,129.29 = 14,805.86 : x
  2. Step 2: Convert to fraction form
    48,085.52/72,129.29 = 14,805.86/x
  3. Step 3: Cross multiply
    48,085.52x = 72,129.29 × 14,805.86
  4. Step 4: Simplify right side
    48,085.52x = 1,067,935,734.96
  5. Step 5: Solve for x
    x = 1,067,935,734.96/48,085.52
  6. Step 6: Final answer
    x = 22,209.09

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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.