Home / 91,497.45-137,246.22-60,105.90

Finding the Fourth Proportional to 91,497.45, 137,246.22 and 60,105.90

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Solution

The fourth proportional to 91,497.45, 137,246.22 and 60,105.90 is: 90,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497.45 : 137,246.22 = 60,105.90 : x
  2. Step 2: Convert to fraction form
    91,497.45/137,246.22 = 60,105.90/x
  3. Step 3: Cross multiply
    91,497.45x = 137,246.22 × 60,105.90
  4. Step 4: Simplify right side
    91,497.45x = 8,249,307,574.70
  5. Step 5: Solve for x
    x = 8,249,307,574.70/91,497.45
  6. Step 6: Final answer
    x = 90,158.88

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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.