Home / 112,425.53-155,149.45-61,441.41

Finding the Fourth Proportional to 112,425.53, 155,149.45 and 61,441.41

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Solution

The fourth proportional to 112,425.53, 155,149.45 and 61,441.41 is: 84,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,425.53 : 155,149.45 = 61,441.41 : x
  2. Step 2: Convert to fraction form
    112,425.53/155,149.45 = 61,441.41/x
  3. Step 3: Cross multiply
    112,425.53x = 155,149.45 × 61,441.41
  4. Step 4: Simplify right side
    112,425.53x = 9,532,600,661.52
  5. Step 5: Solve for x
    x = 9,532,600,661.52/112,425.53
  6. Step 6: Final answer
    x = 84,790.36

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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.