Home / 95,109.52-142,688-28,550.88

Finding the Fourth Proportional to 95,109.52, 142,688 and 28,550.88

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Solution

The fourth proportional to 95,109.52, 142,688 and 28,550.88 is: 42,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,109.52 : 142,688 = 28,550.88 : x
  2. Step 2: Convert to fraction form
    95,109.52/142,688 = 28,550.88/x
  3. Step 3: Cross multiply
    95,109.52x = 142,688 × 28,550.88
  4. Step 4: Simplify right side
    95,109.52x = 4,073,867,965.44
  5. Step 5: Solve for x
    x = 4,073,867,965.44/95,109.52
  6. Step 6: Final answer
    x = 42,833.44

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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.