Home / 48,464.91-72,691.74-13,407.30

Finding the Fourth Proportional to 48,464.91, 72,691.74 and 13,407.30

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Solution

The fourth proportional to 48,464.91, 72,691.74 and 13,407.30 is: 20,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,464.91 : 72,691.74 = 13,407.30 : x
  2. Step 2: Convert to fraction form
    48,464.91/72,691.74 = 13,407.30/x
  3. Step 3: Cross multiply
    48,464.91x = 72,691.74 × 13,407.30
  4. Step 4: Simplify right side
    48,464.91x = 974,599,965.70
  5. Step 5: Solve for x
    x = 974,599,965.70/48,464.91
  6. Step 6: Final answer
    x = 20,109.39

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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.