Home / 112,641.74-155,445.19-60,958.73

Finding the Fourth Proportional to 112,641.74, 155,445.19 and 60,958.73

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Solution

The fourth proportional to 112,641.74, 155,445.19 and 60,958.73 is: 84,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,641.74 : 155,445.19 = 60,958.73 : x
  2. Step 2: Convert to fraction form
    112,641.74/155,445.19 = 60,958.73/x
  3. Step 3: Cross multiply
    112,641.74x = 155,445.19 × 60,958.73
  4. Step 4: Simplify right side
    112,641.74x = 9,475,741,603.22
  5. Step 5: Solve for x
    x = 9,475,741,603.22/112,641.74
  6. Step 6: Final answer
    x = 84,122.83

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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.