Home / 67,585.73-101,428.19-30,170.35

Finding the Fourth Proportional to 67,585.73, 101,428.19 and 30,170.35

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Solution

The fourth proportional to 67,585.73, 101,428.19 and 30,170.35 is: 45,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,585.73 : 101,428.19 = 30,170.35 : x
  2. Step 2: Convert to fraction form
    67,585.73/101,428.19 = 30,170.35/x
  3. Step 3: Cross multiply
    67,585.73x = 101,428.19 × 30,170.35
  4. Step 4: Simplify right side
    67,585.73x = 3,060,123,849.01
  5. Step 5: Solve for x
    x = 3,060,123,849.01/67,585.73
  6. Step 6: Final answer
    x = 45,277.66

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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.