Home / 88,077.11-132,115.31-31,904.07

Finding the Fourth Proportional to 88,077.11, 132,115.31 and 31,904.07

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Solution

The fourth proportional to 88,077.11, 132,115.31 and 31,904.07 is: 47,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,077.11 : 132,115.31 = 31,904.07 : x
  2. Step 2: Convert to fraction form
    88,077.11/132,115.31 = 31,904.07/x
  3. Step 3: Cross multiply
    88,077.11x = 132,115.31 × 31,904.07
  4. Step 4: Simplify right side
    88,077.11x = 4,215,015,938.79
  5. Step 5: Solve for x
    x = 4,215,015,938.79/88,077.11
  6. Step 6: Final answer
    x = 47,855.98

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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.