Home / 71,637.12-107,346.24-30,061.44

Finding the Fourth Proportional to 71,637.12, 107,346.24 and 30,061.44

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Solution

The fourth proportional to 71,637.12, 107,346.24 and 30,061.44 is: 45,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,637.12 : 107,346.24 = 30,061.44 : x
  2. Step 2: Convert to fraction form
    71,637.12/107,346.24 = 30,061.44/x
  3. Step 3: Cross multiply
    71,637.12x = 107,346.24 × 30,061.44
  4. Step 4: Simplify right side
    71,637.12x = 3,226,982,552.99
  5. Step 5: Solve for x
    x = 3,226,982,552.99/71,637.12
  6. Step 6: Final answer
    x = 45,046.24

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1.5x scale

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.