Home / 88,508.68-122,261.34-82,210.12

Finding the Fourth Proportional to 88,508.68, 122,261.34 and 82,210.12

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Solution

The fourth proportional to 88,508.68, 122,261.34 and 82,210.12 is: 113,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,508.68 : 122,261.34 = 82,210.12 : x
  2. Step 2: Convert to fraction form
    88,508.68/122,261.34 = 82,210.12/x
  3. Step 3: Cross multiply
    88,508.68x = 122,261.34 × 82,210.12
  4. Step 4: Simplify right side
    88,508.68x = 10,051,119,432.76
  5. Step 5: Solve for x
    x = 10,051,119,432.76/88,508.68
  6. Step 6: Final answer
    x = 113,560.83

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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.