Home / 88,441.20-132,642.12-53,332.56

Finding the Fourth Proportional to 88,441.20, 132,642.12 and 53,332.56

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Solution

The fourth proportional to 88,441.20, 132,642.12 and 53,332.56 is: 79,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,441.20 : 132,642.12 = 53,332.56 : x
  2. Step 2: Convert to fraction form
    88,441.20/132,642.12 = 53,332.56/x
  3. Step 3: Cross multiply
    88,441.20x = 132,642.12 × 53,332.56
  4. Step 4: Simplify right side
    88,441.20x = 7,074,143,823.43
  5. Step 5: Solve for x
    x = 7,074,143,823.43/88,441.20
  6. Step 6: Final answer
    x = 79,986.97

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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.