Home / 67,639.92-101,439.36-23,241.12

Finding the Fourth Proportional to 67,639.92, 101,439.36 and 23,241.12

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Solution

The fourth proportional to 67,639.92, 101,439.36 and 23,241.12 is: 34,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,639.92 : 101,439.36 = 23,241.12 : x
  2. Step 2: Convert to fraction form
    67,639.92/101,439.36 = 23,241.12/x
  3. Step 3: Cross multiply
    67,639.92x = 101,439.36 × 23,241.12
  4. Step 4: Simplify right side
    67,639.92x = 2,357,564,338.48
  5. Step 5: Solve for x
    x = 2,357,564,338.48/67,639.92
  6. Step 6: Final answer
    x = 34,854.63

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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.