Home / 88,578.18-132,828.31-32,403.72

Finding the Fourth Proportional to 88,578.18, 132,828.31 and 32,403.72

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Solution

The fourth proportional to 88,578.18, 132,828.31 and 32,403.72 is: 48,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578.18 : 132,828.31 = 32,403.72 : x
  2. Step 2: Convert to fraction form
    88,578.18/132,828.31 = 32,403.72/x
  3. Step 3: Cross multiply
    88,578.18x = 132,828.31 × 32,403.72
  4. Step 4: Simplify right side
    88,578.18x = 4,304,130,701.17
  5. Step 5: Solve for x
    x = 4,304,130,701.17/88,578.18
  6. Step 6: Final answer
    x = 48,591.32

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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.