Home / 91,725.15-137,601.40-32,555.87

Finding the Fourth Proportional to 91,725.15, 137,601.40 and 32,555.87

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Solution

The fourth proportional to 91,725.15, 137,601.40 and 32,555.87 is: 48,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,725.15 : 137,601.40 = 32,555.87 : x
  2. Step 2: Convert to fraction form
    91,725.15/137,601.40 = 32,555.87/x
  3. Step 3: Cross multiply
    91,725.15x = 137,601.40 × 32,555.87
  4. Step 4: Simplify right side
    91,725.15x = 4,479,733,290.22
  5. Step 5: Solve for x
    x = 4,479,733,290.22/91,725.15
  6. Step 6: Final answer
    x = 48,838.66

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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.