Home / 85,882.20-128,823.30-23,552.60

Finding the Fourth Proportional to 85,882.20, 128,823.30 and 23,552.60

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Solution

The fourth proportional to 85,882.20, 128,823.30 and 23,552.60 is: 35,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,882.20 : 128,823.30 = 23,552.60 : x
  2. Step 2: Convert to fraction form
    85,882.20/128,823.30 = 23,552.60/x
  3. Step 3: Cross multiply
    85,882.20x = 128,823.30 × 23,552.60
  4. Step 4: Simplify right side
    85,882.20x = 3,034,123,655.58
  5. Step 5: Solve for x
    x = 3,034,123,655.58/85,882.20
  6. Step 6: Final answer
    x = 35,328.90

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1.5x scale

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.