Home / 112,772.62-155,631.27-62,468.38

Finding the Fourth Proportional to 112,772.62, 155,631.27 and 62,468.38

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Solution

The fourth proportional to 112,772.62, 155,631.27 and 62,468.38 is: 86,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,772.62 : 155,631.27 = 62,468.38 : x
  2. Step 2: Convert to fraction form
    112,772.62/155,631.27 = 62,468.38/x
  3. Step 3: Cross multiply
    112,772.62x = 155,631.27 × 62,468.38
  4. Step 4: Simplify right side
    112,772.62x = 9,722,033,314.24
  5. Step 5: Solve for x
    x = 9,722,033,314.24/112,772.62
  6. Step 6: Final answer
    x = 86,209.16

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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.