Home / 76,327.29-105,310.13-49,470.93

Finding the Fourth Proportional to 76,327.29, 105,310.13 and 49,470.93

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Solution

The fourth proportional to 76,327.29, 105,310.13 and 49,470.93 is: 68,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,327.29 : 105,310.13 = 49,470.93 : x
  2. Step 2: Convert to fraction form
    76,327.29/105,310.13 = 49,470.93/x
  3. Step 3: Cross multiply
    76,327.29x = 105,310.13 × 49,470.93
  4. Step 4: Simplify right side
    76,327.29x = 5,209,789,822.17
  5. Step 5: Solve for x
    x = 5,209,789,822.17/76,327.29
  6. Step 6: Final answer
    x = 68,255.93

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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.