Home / 91,769.05-137,624.42-62,375.77

Finding the Fourth Proportional to 91,769.05, 137,624.42 and 62,375.77

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Solution

The fourth proportional to 91,769.05, 137,624.42 and 62,375.77 is: 93,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,769.05 : 137,624.42 = 62,375.77 : x
  2. Step 2: Convert to fraction form
    91,769.05/137,624.42 = 62,375.77/x
  3. Step 3: Cross multiply
    91,769.05x = 137,624.42 × 62,375.77
  4. Step 4: Simplify right side
    91,769.05x = 8,584,429,145.41
  5. Step 5: Solve for x
    x = 8,584,429,145.41/91,769.05
  6. Step 6: Final answer
    x = 93,543.84

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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.