Home / 87,932.08-121,340.53-56,097.56

Finding the Fourth Proportional to 87,932.08, 121,340.53 and 56,097.56

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Solution

The fourth proportional to 87,932.08, 121,340.53 and 56,097.56 is: 77,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,932.08 : 121,340.53 = 56,097.56 : x
  2. Step 2: Convert to fraction form
    87,932.08/121,340.53 = 56,097.56/x
  3. Step 3: Cross multiply
    87,932.08x = 121,340.53 × 56,097.56
  4. Step 4: Simplify right side
    87,932.08x = 6,806,908,035.58
  5. Step 5: Solve for x
    x = 6,806,908,035.58/87,932.08
  6. Step 6: Final answer
    x = 77,410.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.