Home / 87,672.24-131,303.33-43,155.86

Finding the Fourth Proportional to 87,672.24, 131,303.33 and 43,155.86

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Solution

The fourth proportional to 87,672.24, 131,303.33 and 43,155.86 is: 64,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,672.24 : 131,303.33 = 43,155.86 : x
  2. Step 2: Convert to fraction form
    87,672.24/131,303.33 = 43,155.86/x
  3. Step 3: Cross multiply
    87,672.24x = 131,303.33 × 43,155.86
  4. Step 4: Simplify right side
    87,672.24x = 5,666,508,127.01
  5. Step 5: Solve for x
    x = 5,666,508,127.01/87,672.24
  6. Step 6: Final answer
    x = 64,632.87

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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.