Home / 68,470.19-94,479.45-38,251.76

Finding the Fourth Proportional to 68,470.19, 94,479.45 and 38,251.76

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Solution

The fourth proportional to 68,470.19, 94,479.45 and 38,251.76 is: 52,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,470.19 : 94,479.45 = 38,251.76 : x
  2. Step 2: Convert to fraction form
    68,470.19/94,479.45 = 38,251.76/x
  3. Step 3: Cross multiply
    68,470.19x = 94,479.45 × 38,251.76
  4. Step 4: Simplify right side
    68,470.19x = 3,614,004,773.93
  5. Step 5: Solve for x
    x = 3,614,004,773.93/68,470.19
  6. Step 6: Final answer
    x = 52,782.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.