Home / 79,254.16-109,381.93-49,049.20

Finding the Fourth Proportional to 79,254.16, 109,381.93 and 49,049.20

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Solution

The fourth proportional to 79,254.16, 109,381.93 and 49,049.20 is: 67,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,254.16 : 109,381.93 = 49,049.20 : x
  2. Step 2: Convert to fraction form
    79,254.16/109,381.93 = 49,049.20/x
  3. Step 3: Cross multiply
    79,254.16x = 109,381.93 × 49,049.20
  4. Step 4: Simplify right side
    79,254.16x = 5,365,096,160.96
  5. Step 5: Solve for x
    x = 5,365,096,160.96/79,254.16
  6. Step 6: Final answer
    x = 67,694.82

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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.