Home / 91,401.08-137,046.26-59,772.96

Finding the Fourth Proportional to 91,401.08, 137,046.26 and 59,772.96

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Solution

The fourth proportional to 91,401.08, 137,046.26 and 59,772.96 is: 89,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,401.08 : 137,046.26 = 59,772.96 : x
  2. Step 2: Convert to fraction form
    91,401.08/137,046.26 = 59,772.96/x
  3. Step 3: Cross multiply
    91,401.08x = 137,046.26 × 59,772.96
  4. Step 4: Simplify right side
    91,401.08x = 8,191,660,766.56
  5. Step 5: Solve for x
    x = 8,191,660,766.56/91,401.08
  6. Step 6: Final answer
    x = 89,623.24

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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.