Home / 91,680.48-137,522.64-29,350.80

Finding the Fourth Proportional to 91,680.48, 137,522.64 and 29,350.80

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Solution

The fourth proportional to 91,680.48, 137,522.64 and 29,350.80 is: 44,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,680.48 : 137,522.64 = 29,350.80 : x
  2. Step 2: Convert to fraction form
    91,680.48/137,522.64 = 29,350.80/x
  3. Step 3: Cross multiply
    91,680.48x = 137,522.64 × 29,350.80
  4. Step 4: Simplify right side
    91,680.48x = 4,036,399,502.11
  5. Step 5: Solve for x
    x = 4,036,399,502.11/91,680.48
  6. Step 6: Final answer
    x = 44,026.81

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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.