Home / 47,174.15-70,753.28-13,437.80

Finding the Fourth Proportional to 47,174.15, 70,753.28 and 13,437.80

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Solution

The fourth proportional to 47,174.15, 70,753.28 and 13,437.80 is: 20,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174.15 : 70,753.28 = 13,437.80 : x
  2. Step 2: Convert to fraction form
    47,174.15/70,753.28 = 13,437.80/x
  3. Step 3: Cross multiply
    47,174.15x = 70,753.28 × 13,437.80
  4. Step 4: Simplify right side
    47,174.15x = 950,768,072.22
  5. Step 5: Solve for x
    x = 950,768,072.22/47,174.15
  6. Step 6: Final answer
    x = 20,154.43

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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.