Home / 91,725.18-137,601.44-32,555.90

Finding the Fourth Proportional to 91,725.18, 137,601.44 and 32,555.90

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Solution

The fourth proportional to 91,725.18, 137,601.44 and 32,555.90 is: 48,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,725.18 : 137,601.44 = 32,555.90 : x
  2. Step 2: Convert to fraction form
    91,725.18/137,601.44 = 32,555.90/x
  3. Step 3: Cross multiply
    91,725.18x = 137,601.44 × 32,555.90
  4. Step 4: Simplify right side
    91,725.18x = 4,479,738,720.50
  5. Step 5: Solve for x
    x = 4,479,738,720.50/91,725.18
  6. Step 6: Final answer
    x = 48,838.70

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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.