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Finding the Fourth Proportional to 60,012.75, 82,817.60 and 34,863.87

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Solution

The fourth proportional to 60,012.75, 82,817.60 and 34,863.87 is: 48,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.75 : 82,817.60 = 34,863.87 : x
  2. Step 2: Convert to fraction form
    60,012.75/82,817.60 = 34,863.87/x
  3. Step 3: Cross multiply
    60,012.75x = 82,817.60 × 34,863.87
  4. Step 4: Simplify right side
    60,012.75x = 2,887,342,040.11
  5. Step 5: Solve for x
    x = 2,887,342,040.11/60,012.75
  6. Step 6: Final answer
    x = 48,112.14

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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.