Home / 113,611.30-156,792.62-62,633.14

Finding the Fourth Proportional to 113,611.30, 156,792.62 and 62,633.14

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Solution

The fourth proportional to 113,611.30, 156,792.62 and 62,633.14 is: 86,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,611.30 : 156,792.62 = 62,633.14 : x
  2. Step 2: Convert to fraction form
    113,611.30/156,792.62 = 62,633.14/x
  3. Step 3: Cross multiply
    113,611.30x = 156,792.62 × 62,633.14
  4. Step 4: Simplify right side
    113,611.30x = 9,820,414,119.43
  5. Step 5: Solve for x
    x = 9,820,414,119.43/113,611.30
  6. Step 6: Final answer
    x = 86,438.71

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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.