Home / 73,516.95-109,444.03-73,079.55

Finding the Fourth Proportional to 73,516.95, 109,444.03 and 73,079.55

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Solution

The fourth proportional to 73,516.95, 109,444.03 and 73,079.55 is: 108,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,516.95 : 109,444.03 = 73,079.55 : x
  2. Step 2: Convert to fraction form
    73,516.95/109,444.03 = 73,079.55/x
  3. Step 3: Cross multiply
    73,516.95x = 109,444.03 × 73,079.55
  4. Step 4: Simplify right side
    73,516.95x = 7,998,120,279.89
  5. Step 5: Solve for x
    x = 7,998,120,279.89/73,516.95
  6. Step 6: Final answer
    x = 108,792.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.