Home / 91,626.96-137,461.97-28,443.85

Finding the Fourth Proportional to 91,626.96, 137,461.97 and 28,443.85

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Solution

The fourth proportional to 91,626.96, 137,461.97 and 28,443.85 is: 42,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,626.96 : 137,461.97 = 28,443.85 : x
  2. Step 2: Convert to fraction form
    91,626.96/137,461.97 = 28,443.85/x
  3. Step 3: Cross multiply
    91,626.96x = 137,461.97 × 28,443.85
  4. Step 4: Simplify right side
    91,626.96x = 3,909,947,655.38
  5. Step 5: Solve for x
    x = 3,909,947,655.38/91,626.96
  6. Step 6: Final answer
    x = 42,672.46

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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.