Home / 88,215.90-132,380.55-48,801.30

Finding the Fourth Proportional to 88,215.90, 132,380.55 and 48,801.30

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Solution

The fourth proportional to 88,215.90, 132,380.55 and 48,801.30 is: 73,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,215.90 : 132,380.55 = 48,801.30 : x
  2. Step 2: Convert to fraction form
    88,215.90/132,380.55 = 48,801.30/x
  3. Step 3: Cross multiply
    88,215.90x = 132,380.55 × 48,801.30
  4. Step 4: Simplify right side
    88,215.90x = 6,460,342,934.72
  5. Step 5: Solve for x
    x = 6,460,342,934.72/88,215.90
  6. Step 6: Final answer
    x = 73,233.32

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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.