Home / 45,008.20-67,512.30-34,510.60

Finding the Fourth Proportional to 45,008.20, 67,512.30 and 34,510.60

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Solution

The fourth proportional to 45,008.20, 67,512.30 and 34,510.60 is: 51,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.20 : 67,512.30 = 34,510.60 : x
  2. Step 2: Convert to fraction form
    45,008.20/67,512.30 = 34,510.60/x
  3. Step 3: Cross multiply
    45,008.20x = 67,512.30 × 34,510.60
  4. Step 4: Simplify right side
    45,008.20x = 2,329,889,980.38
  5. Step 5: Solve for x
    x = 2,329,889,980.38/45,008.20
  6. Step 6: Final answer
    x = 51,765.90

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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.