Home / 48,085.92-72,129.42-14,805.72

Finding the Fourth Proportional to 48,085.92, 72,129.42 and 14,805.72

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Solution

The fourth proportional to 48,085.92, 72,129.42 and 14,805.72 is: 22,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,085.92 : 72,129.42 = 14,805.72 : x
  2. Step 2: Convert to fraction form
    48,085.92/72,129.42 = 14,805.72/x
  3. Step 3: Cross multiply
    48,085.92x = 72,129.42 × 14,805.72
  4. Step 4: Simplify right side
    48,085.92x = 1,067,927,996.28
  5. Step 5: Solve for x
    x = 1,067,927,996.28/48,085.92
  6. Step 6: Final answer
    x = 22,208.75

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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.