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Finding the Fourth Proportional to 48,672.30, 73,008.45 and 45,950.70

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Solution

The fourth proportional to 48,672.30, 73,008.45 and 45,950.70 is: 68,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.30 : 73,008.45 = 45,950.70 : x
  2. Step 2: Convert to fraction form
    48,672.30/73,008.45 = 45,950.70/x
  3. Step 3: Cross multiply
    48,672.30x = 73,008.45 × 45,950.70
  4. Step 4: Simplify right side
    48,672.30x = 3,354,789,383.42
  5. Step 5: Solve for x
    x = 3,354,789,383.42/48,672.30
  6. Step 6: Final answer
    x = 68,926.05

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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.