Home / 91,126.23-136,735.44-61,481.76

Finding the Fourth Proportional to 91,126.23, 136,735.44 and 61,481.76

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Solution

The fourth proportional to 91,126.23, 136,735.44 and 61,481.76 is: 92,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126.23 : 136,735.44 = 61,481.76 : x
  2. Step 2: Convert to fraction form
    91,126.23/136,735.44 = 61,481.76/x
  3. Step 3: Cross multiply
    91,126.23x = 136,735.44 × 61,481.76
  4. Step 4: Simplify right side
    91,126.23x = 8,406,735,505.57
  5. Step 5: Solve for x
    x = 8,406,735,505.57/91,126.23
  6. Step 6: Final answer
    x = 92,253.74

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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.