Home / 47,439.11-71,170.98-14,159.18

Finding the Fourth Proportional to 47,439.11, 71,170.98 and 14,159.18

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Solution

The fourth proportional to 47,439.11, 71,170.98 and 14,159.18 is: 21,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,439.11 : 71,170.98 = 14,159.18 : x
  2. Step 2: Convert to fraction form
    47,439.11/71,170.98 = 14,159.18/x
  3. Step 3: Cross multiply
    47,439.11x = 71,170.98 × 14,159.18
  4. Step 4: Simplify right side
    47,439.11x = 1,007,722,360.74
  5. Step 5: Solve for x
    x = 1,007,722,360.74/47,439.11
  6. Step 6: Final answer
    x = 21,242.44

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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.