Home / 91,780.30-137,670.46-32,618.31

Finding the Fourth Proportional to 91,780.30, 137,670.46 and 32,618.31

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Solution

The fourth proportional to 91,780.30, 137,670.46 and 32,618.31 is: 48,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,780.30 : 137,670.46 = 32,618.31 : x
  2. Step 2: Convert to fraction form
    91,780.30/137,670.46 = 32,618.31/x
  3. Step 3: Cross multiply
    91,780.30x = 137,670.46 × 32,618.31
  4. Step 4: Simplify right side
    91,780.30x = 4,490,577,144.31
  5. Step 5: Solve for x
    x = 4,490,577,144.31/91,780.30
  6. Step 6: Final answer
    x = 48,927.46

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Similar ratio
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1.5x scale

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.