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Finding the Fourth Proportional to 45,000.40, 67,500.60 and 44,344.30

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Solution

The fourth proportional to 45,000.40, 67,500.60 and 44,344.30 is: 66,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.40 : 67,500.60 = 44,344.30 : x
  2. Step 2: Convert to fraction form
    45,000.40/67,500.60 = 44,344.30/x
  3. Step 3: Cross multiply
    45,000.40x = 67,500.60 × 44,344.30
  4. Step 4: Simplify right side
    45,000.40x = 2,993,266,856.58
  5. Step 5: Solve for x
    x = 2,993,266,856.58/45,000.40
  6. Step 6: Final answer
    x = 66,516.45

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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.