Home / 71,764.28-107,646.48-34,315.52

Finding the Fourth Proportional to 71,764.28, 107,646.48 and 34,315.52

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Solution

The fourth proportional to 71,764.28, 107,646.48 and 34,315.52 is: 51,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,764.28 : 107,646.48 = 34,315.52 : x
  2. Step 2: Convert to fraction form
    71,764.28/107,646.48 = 34,315.52/x
  3. Step 3: Cross multiply
    71,764.28x = 107,646.48 × 34,315.52
  4. Step 4: Simplify right side
    71,764.28x = 3,693,944,937.37
  5. Step 5: Solve for x
    x = 3,693,944,937.37/71,764.28
  6. Step 6: Final answer
    x = 51,473.31

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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.