Home / 95,320.20-142,981.32-28,760.91

Finding the Fourth Proportional to 95,320.20, 142,981.32 and 28,760.91

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Solution

The fourth proportional to 95,320.20, 142,981.32 and 28,760.91 is: 43,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,320.20 : 142,981.32 = 28,760.91 : x
  2. Step 2: Convert to fraction form
    95,320.20/142,981.32 = 28,760.91/x
  3. Step 3: Cross multiply
    95,320.20x = 142,981.32 × 28,760.91
  4. Step 4: Simplify right side
    95,320.20x = 4,112,272,876.20
  5. Step 5: Solve for x
    x = 4,112,272,876.20/95,320.20
  6. Step 6: Final answer
    x = 43,141.67

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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.