Home / 99,282.28-148,934.31-43,083.76

Finding the Fourth Proportional to 99,282.28, 148,934.31 and 43,083.76

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Solution

The fourth proportional to 99,282.28, 148,934.31 and 43,083.76 is: 64,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,282.28 : 148,934.31 = 43,083.76 : x
  2. Step 2: Convert to fraction form
    99,282.28/148,934.31 = 43,083.76/x
  3. Step 3: Cross multiply
    99,282.28x = 148,934.31 × 43,083.76
  4. Step 4: Simplify right side
    99,282.28x = 6,416,650,067.81
  5. Step 5: Solve for x
    x = 6,416,650,067.81/99,282.28
  6. Step 6: Final answer
    x = 64,630.37

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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.