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Finding the Fourth Proportional to 91,703.35, 137,549.35 and 32,531.23

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Solution

The fourth proportional to 91,703.35, 137,549.35 and 32,531.23 is: 48,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703.35 : 137,549.35 = 32,531.23 : x
  2. Step 2: Convert to fraction form
    91,703.35/137,549.35 = 32,531.23/x
  3. Step 3: Cross multiply
    91,703.35x = 137,549.35 × 32,531.23
  4. Step 4: Simplify right side
    91,703.35x = 4,474,649,541.20
  5. Step 5: Solve for x
    x = 4,474,649,541.20/91,703.35
  6. Step 6: Final answer
    x = 48,794.83

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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.