Home / 88,747.90-133,023.25-67,618.29

Finding the Fourth Proportional to 88,747.90, 133,023.25 and 67,618.29

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Solution

The fourth proportional to 88,747.90, 133,023.25 and 67,618.29 is: 101,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,747.90 : 133,023.25 = 67,618.29 : x
  2. Step 2: Convert to fraction form
    88,747.90/133,023.25 = 67,618.29/x
  3. Step 3: Cross multiply
    88,747.90x = 133,023.25 × 67,618.29
  4. Step 4: Simplify right side
    88,747.90x = 8,994,804,250.27
  5. Step 5: Solve for x
    x = 8,994,804,250.27/88,747.90
  6. Step 6: Final answer
    x = 101,352.30

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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.