Home / 91,829.05-137,796.76-38,516.29

Finding the Fourth Proportional to 91,829.05, 137,796.76 and 38,516.29

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Solution

The fourth proportional to 91,829.05, 137,796.76 and 38,516.29 is: 57,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,829.05 : 137,796.76 = 38,516.29 : x
  2. Step 2: Convert to fraction form
    91,829.05/137,796.76 = 38,516.29/x
  3. Step 3: Cross multiply
    91,829.05x = 137,796.76 × 38,516.29
  4. Step 4: Simplify right side
    91,829.05x = 5,307,419,528.44
  5. Step 5: Solve for x
    x = 5,307,419,528.44/91,829.05
  6. Step 6: Final answer
    x = 57,796.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.