Home / 47,440.13-71,172.52-14,160.20

Finding the Fourth Proportional to 47,440.13, 71,172.52 and 14,160.20

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Solution

The fourth proportional to 47,440.13, 71,172.52 and 14,160.20 is: 21,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,440.13 : 71,172.52 = 14,160.20 : x
  2. Step 2: Convert to fraction form
    47,440.13/71,172.52 = 14,160.20/x
  3. Step 3: Cross multiply
    47,440.13x = 71,172.52 × 14,160.20
  4. Step 4: Simplify right side
    47,440.13x = 1,007,817,206.44
  5. Step 5: Solve for x
    x = 1,007,817,206.44/47,440.13
  6. Step 6: Final answer
    x = 21,243.98

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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.