Home / 62,439.92-86,167.04-34,145.60

Finding the Fourth Proportional to 62,439.92, 86,167.04 and 34,145.60

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Solution

The fourth proportional to 62,439.92, 86,167.04 and 34,145.60 is: 47,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,439.92 : 86,167.04 = 34,145.60 : x
  2. Step 2: Convert to fraction form
    62,439.92/86,167.04 = 34,145.60/x
  3. Step 3: Cross multiply
    62,439.92x = 86,167.04 × 34,145.60
  4. Step 4: Simplify right side
    62,439.92x = 2,942,224,679.46
  5. Step 5: Solve for x
    x = 2,942,224,679.46/62,439.92
  6. Step 6: Final answer
    x = 47,120.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.