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Finding the Fourth Proportional to 60,388.38, 83,414.40 and 45,960.57

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Solution

The fourth proportional to 60,388.38, 83,414.40 and 45,960.57 is: 63,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,388.38 : 83,414.40 = 45,960.57 : x
  2. Step 2: Convert to fraction form
    60,388.38/83,414.40 = 45,960.57/x
  3. Step 3: Cross multiply
    60,388.38x = 83,414.40 × 45,960.57
  4. Step 4: Simplify right side
    60,388.38x = 3,833,773,370.21
  5. Step 5: Solve for x
    x = 3,833,773,370.21/60,388.38
  6. Step 6: Final answer
    x = 63,485.28

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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.