Home / 75,326.28-112,849.62-53,934.85

Finding the Fourth Proportional to 75,326.28, 112,849.62 and 53,934.85

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Solution

The fourth proportional to 75,326.28, 112,849.62 and 53,934.85 is: 80,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,326.28 : 112,849.62 = 53,934.85 : x
  2. Step 2: Convert to fraction form
    75,326.28/112,849.62 = 53,934.85/x
  3. Step 3: Cross multiply
    75,326.28x = 112,849.62 × 53,934.85
  4. Step 4: Simplify right side
    75,326.28x = 6,086,527,327.26
  5. Step 5: Solve for x
    x = 6,086,527,327.26/75,326.28
  6. Step 6: Final answer
    x = 80,802.18

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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.