Home / 91,822.68-126,679.14-53,039.88

Finding the Fourth Proportional to 91,822.68, 126,679.14 and 53,039.88

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Solution

The fourth proportional to 91,822.68, 126,679.14 and 53,039.88 is: 73,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,822.68 : 126,679.14 = 53,039.88 : x
  2. Step 2: Convert to fraction form
    91,822.68/126,679.14 = 53,039.88/x
  3. Step 3: Cross multiply
    91,822.68x = 126,679.14 × 53,039.88
  4. Step 4: Simplify right side
    91,822.68x = 6,719,046,384.10
  5. Step 5: Solve for x
    x = 6,719,046,384.10/91,822.68
  6. Step 6: Final answer
    x = 73,174.15

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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.