Home / 88,175.79-121,612.22-57,992.10

Finding the Fourth Proportional to 88,175.79, 121,612.22 and 57,992.10

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Solution

The fourth proportional to 88,175.79, 121,612.22 and 57,992.10 is: 79,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,175.79 : 121,612.22 = 57,992.10 : x
  2. Step 2: Convert to fraction form
    88,175.79/121,612.22 = 57,992.10/x
  3. Step 3: Cross multiply
    88,175.79x = 121,612.22 × 57,992.10
  4. Step 4: Simplify right side
    88,175.79x = 7,052,548,023.46
  5. Step 5: Solve for x
    x = 7,052,548,023.46/88,175.79
  6. Step 6: Final answer
    x = 79,982.82

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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.