Home / 71,637.12-107,424-32,192.64

Finding the Fourth Proportional to 71,637.12, 107,424 and 32,192.64

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Solution

The fourth proportional to 71,637.12, 107,424 and 32,192.64 is: 48,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,637.12 : 107,424 = 32,192.64 : x
  2. Step 2: Convert to fraction form
    71,637.12/107,424 = 32,192.64/x
  3. Step 3: Cross multiply
    71,637.12x = 107,424 × 32,192.64
  4. Step 4: Simplify right side
    71,637.12x = 3,458,262,159.36
  5. Step 5: Solve for x
    x = 3,458,262,159.36/71,637.12
  6. Step 6: Final answer
    x = 48,274.72

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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.