Home / 91,712.68-126,564.18-59,862.76

Finding the Fourth Proportional to 91,712.68, 126,564.18 and 59,862.76

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Solution

The fourth proportional to 91,712.68, 126,564.18 and 59,862.76 is: 82,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,712.68 : 126,564.18 = 59,862.76 : x
  2. Step 2: Convert to fraction form
    91,712.68/126,564.18 = 59,862.76/x
  3. Step 3: Cross multiply
    91,712.68x = 126,564.18 × 59,862.76
  4. Step 4: Simplify right side
    91,712.68x = 7,576,481,131.94
  5. Step 5: Solve for x
    x = 7,576,481,131.94/91,712.68
  6. Step 6: Final answer
    x = 82,611.05

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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.