Home / 88,508.18-122,260.65-82,209.62

Finding the Fourth Proportional to 88,508.18, 122,260.65 and 82,209.62

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Solution

The fourth proportional to 88,508.18, 122,260.65 and 82,209.62 is: 113,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,508.18 : 122,260.65 = 82,209.62 : x
  2. Step 2: Convert to fraction form
    88,508.18/122,260.65 = 82,209.62/x
  3. Step 3: Cross multiply
    88,508.18x = 122,260.65 × 82,209.62
  4. Step 4: Simplify right side
    88,508.18x = 10,051,001,577.45
  5. Step 5: Solve for x
    x = 10,051,001,577.45/88,508.18
  6. Step 6: Final answer
    x = 113,560.14

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1.5x scale

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.