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Finding the Fourth Proportional to 85,773.68, 118,367.76 and 48,048.24

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Solution

The fourth proportional to 85,773.68, 118,367.76 and 48,048.24 is: 66,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,773.68 : 118,367.76 = 48,048.24 : x
  2. Step 2: Convert to fraction form
    85,773.68/118,367.76 = 48,048.24/x
  3. Step 3: Cross multiply
    85,773.68x = 118,367.76 × 48,048.24
  4. Step 4: Simplify right side
    85,773.68x = 5,687,362,540.74
  5. Step 5: Solve for x
    x = 5,687,362,540.74/85,773.68
  6. Step 6: Final answer
    x = 66,306.62

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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.