Home / 68,617.60-102,931.20-29,170.24

Finding the Fourth Proportional to 68,617.60, 102,931.20 and 29,170.24

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Solution

The fourth proportional to 68,617.60, 102,931.20 and 29,170.24 is: 43,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,617.60 : 102,931.20 = 29,170.24 : x
  2. Step 2: Convert to fraction form
    68,617.60/102,931.20 = 29,170.24/x
  3. Step 3: Cross multiply
    68,617.60x = 102,931.20 × 29,170.24
  4. Step 4: Simplify right side
    68,617.60x = 3,002,527,807.49
  5. Step 5: Solve for x
    x = 3,002,527,807.49/68,617.60
  6. Step 6: Final answer
    x = 43,757.40

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1.5x scale

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.