Home / 85,318.18-127,873.51-60,365.43

Finding the Fourth Proportional to 85,318.18, 127,873.51 and 60,365.43

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Solution

The fourth proportional to 85,318.18, 127,873.51 and 60,365.43 is: 90,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,318.18 : 127,873.51 = 60,365.43 : x
  2. Step 2: Convert to fraction form
    85,318.18/127,873.51 = 60,365.43/x
  3. Step 3: Cross multiply
    85,318.18x = 127,873.51 × 60,365.43
  4. Step 4: Simplify right side
    85,318.18x = 7,719,139,265.85
  5. Step 5: Solve for x
    x = 7,719,139,265.85/85,318.18
  6. Step 6: Final answer
    x = 90,474.73

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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.