Home / 87,364.24-131,009.88-43,011.92

Finding the Fourth Proportional to 87,364.24, 131,009.88 and 43,011.92

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Solution

The fourth proportional to 87,364.24, 131,009.88 and 43,011.92 is: 64,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,364.24 : 131,009.88 = 43,011.92 : x
  2. Step 2: Convert to fraction form
    87,364.24/131,009.88 = 43,011.92/x
  3. Step 3: Cross multiply
    87,364.24x = 131,009.88 × 43,011.92
  4. Step 4: Simplify right side
    87,364.24x = 5,634,986,477.77
  5. Step 5: Solve for x
    x = 5,634,986,477.77/87,364.24
  6. Step 6: Final answer
    x = 64,499.92

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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.