Home / 83,074.10-124,611.15-73,888.70

Finding the Fourth Proportional to 83,074.10, 124,611.15 and 73,888.70

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Solution

The fourth proportional to 83,074.10, 124,611.15 and 73,888.70 is: 110,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,074.10 : 124,611.15 = 73,888.70 : x
  2. Step 2: Convert to fraction form
    83,074.10/124,611.15 = 73,888.70/x
  3. Step 3: Cross multiply
    83,074.10x = 124,611.15 × 73,888.70
  4. Step 4: Simplify right side
    83,074.10x = 9,207,355,879.01
  5. Step 5: Solve for x
    x = 9,207,355,879.01/83,074.10
  6. Step 6: Final answer
    x = 110,833.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.