Home / 71,298.28-107,051.10-52,635.88

Finding the Fourth Proportional to 71,298.28, 107,051.10 and 52,635.88

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Solution

The fourth proportional to 71,298.28, 107,051.10 and 52,635.88 is: 79,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,298.28 : 107,051.10 = 52,635.88 : x
  2. Step 2: Convert to fraction form
    71,298.28/107,051.10 = 52,635.88/x
  3. Step 3: Cross multiply
    71,298.28x = 107,051.10 × 52,635.88
  4. Step 4: Simplify right side
    71,298.28x = 5,634,728,853.47
  5. Step 5: Solve for x
    x = 5,634,728,853.47/71,298.28
  6. Step 6: Final answer
    x = 79,030.36

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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.