Home / 83,046.12-114,568.74-57,910.20

Finding the Fourth Proportional to 83,046.12, 114,568.74 and 57,910.20

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Solution

The fourth proportional to 83,046.12, 114,568.74 and 57,910.20 is: 79,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,046.12 : 114,568.74 = 57,910.20 : x
  2. Step 2: Convert to fraction form
    83,046.12/114,568.74 = 57,910.20/x
  3. Step 3: Cross multiply
    83,046.12x = 114,568.74 × 57,910.20
  4. Step 4: Simplify right side
    83,046.12x = 6,634,698,647.15
  5. Step 5: Solve for x
    x = 6,634,698,647.15/83,046.12
  6. Step 6: Final answer
    x = 79,891.74

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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.