Home / 91,563.17-137,395.78-49,442.36

Finding the Fourth Proportional to 91,563.17, 137,395.78 and 49,442.36

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Solution

The fourth proportional to 91,563.17, 137,395.78 and 49,442.36 is: 74,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,563.17 : 137,395.78 = 49,442.36 : x
  2. Step 2: Convert to fraction form
    91,563.17/137,395.78 = 49,442.36/x
  3. Step 3: Cross multiply
    91,563.17x = 137,395.78 × 49,442.36
  4. Step 4: Simplify right side
    91,563.17x = 6,793,170,806.66
  5. Step 5: Solve for x
    x = 6,793,170,806.66/91,563.17
  6. Step 6: Final answer
    x = 74,191.09

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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.