Home / 95,145.50-142,712.76-28,584.20

Finding the Fourth Proportional to 95,145.50, 142,712.76 and 28,584.20

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Solution

The fourth proportional to 95,145.50, 142,712.76 and 28,584.20 is: 42,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,145.50 : 142,712.76 = 28,584.20 : x
  2. Step 2: Convert to fraction form
    95,145.50/142,712.76 = 28,584.20/x
  3. Step 3: Cross multiply
    95,145.50x = 142,712.76 × 28,584.20
  4. Step 4: Simplify right side
    95,145.50x = 4,079,330,074.39
  5. Step 5: Solve for x
    x = 4,079,330,074.39/95,145.50
  6. Step 6: Final answer
    x = 42,874.65

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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.