Home / 60,318.60-90,434.16-40,548.12

Finding the Fourth Proportional to 60,318.60, 90,434.16 and 40,548.12

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Solution

The fourth proportional to 60,318.60, 90,434.16 and 40,548.12 is: 60,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,318.60 : 90,434.16 = 40,548.12 : x
  2. Step 2: Convert to fraction form
    60,318.60/90,434.16 = 40,548.12/x
  3. Step 3: Cross multiply
    60,318.60x = 90,434.16 × 40,548.12
  4. Step 4: Simplify right side
    60,318.60x = 3,666,935,171.78
  5. Step 5: Solve for x
    x = 3,666,935,171.78/60,318.60
  6. Step 6: Final answer
    x = 60,792.78

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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.