Home / 91,617.34-126,438.92-57,654.93

Finding the Fourth Proportional to 91,617.34, 126,438.92 and 57,654.93

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Solution

The fourth proportional to 91,617.34, 126,438.92 and 57,654.93 is: 79,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,617.34 : 126,438.92 = 57,654.93 : x
  2. Step 2: Convert to fraction form
    91,617.34/126,438.92 = 57,654.93/x
  3. Step 3: Cross multiply
    91,617.34x = 126,438.92 × 57,654.93
  4. Step 4: Simplify right side
    91,617.34x = 7,289,826,793.60
  5. Step 5: Solve for x
    x = 7,289,826,793.60/91,617.34
  6. Step 6: Final answer
    x = 79,568.20

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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.