Home / 112,627.75-155,431.17-62,326.75

Finding the Fourth Proportional to 112,627.75, 155,431.17 and 62,326.75

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Solution

The fourth proportional to 112,627.75, 155,431.17 and 62,326.75 is: 86,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,627.75 : 155,431.17 = 62,326.75 : x
  2. Step 2: Convert to fraction form
    112,627.75/155,431.17 = 62,326.75/x
  3. Step 3: Cross multiply
    112,627.75x = 155,431.17 × 62,326.75
  4. Step 4: Simplify right side
    112,627.75x = 9,687,519,674.80
  5. Step 5: Solve for x
    x = 9,687,519,674.80/112,627.75
  6. Step 6: Final answer
    x = 86,013.61

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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.