Home / 47,508.12-71,174.70-42,259.32

Finding the Fourth Proportional to 47,508.12, 71,174.70 and 42,259.32

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Solution

The fourth proportional to 47,508.12, 71,174.70 and 42,259.32 is: 63,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,508.12 : 71,174.70 = 42,259.32 : x
  2. Step 2: Convert to fraction form
    47,508.12/71,174.70 = 42,259.32/x
  3. Step 3: Cross multiply
    47,508.12x = 71,174.70 × 42,259.32
  4. Step 4: Simplify right side
    47,508.12x = 3,007,794,423.20
  5. Step 5: Solve for x
    x = 3,007,794,423.20/47,508.12
  6. Step 6: Final answer
    x = 63,311.16

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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.