Home / 113,611.62-156,785.16-62,626.14

Finding the Fourth Proportional to 113,611.62, 156,785.16 and 62,626.14

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Solution

The fourth proportional to 113,611.62, 156,785.16 and 62,626.14 is: 86,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,611.62 : 156,785.16 = 62,626.14 : x
  2. Step 2: Convert to fraction form
    113,611.62/156,785.16 = 62,626.14/x
  3. Step 3: Cross multiply
    113,611.62x = 156,785.16 × 62,626.14
  4. Step 4: Simplify right side
    113,611.62x = 9,818,849,380.08
  5. Step 5: Solve for x
    x = 9,818,849,380.08/113,611.62
  6. Step 6: Final answer
    x = 86,424.69

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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.