Home / 71,478.48-107,178.12-32,073.36

Finding the Fourth Proportional to 71,478.48, 107,178.12 and 32,073.36

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Solution

The fourth proportional to 71,478.48, 107,178.12 and 32,073.36 is: 48,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,478.48 : 107,178.12 = 32,073.36 : x
  2. Step 2: Convert to fraction form
    71,478.48/107,178.12 = 32,073.36/x
  3. Step 3: Cross multiply
    71,478.48x = 107,178.12 × 32,073.36
  4. Step 4: Simplify right side
    71,478.48x = 3,437,562,426.88
  5. Step 5: Solve for x
    x = 3,437,562,426.88/71,478.48
  6. Step 6: Final answer
    x = 48,092.27

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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.