Home / 80,127.12-110,502.28-68,793.00

Finding the Fourth Proportional to 80,127.12, 110,502.28 and 68,793.00

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Solution

The fourth proportional to 80,127.12, 110,502.28 and 68,793.00 is: 94,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,127.12 : 110,502.28 = 68,793.00 : x
  2. Step 2: Convert to fraction form
    80,127.12/110,502.28 = 68,793.00/x
  3. Step 3: Cross multiply
    80,127.12x = 110,502.28 × 68,793.00
  4. Step 4: Simplify right side
    80,127.12x = 7,601,782,632.69
  5. Step 5: Solve for x
    x = 7,601,782,632.69/80,127.12
  6. Step 6: Final answer
    x = 94,871.53

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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.