Home / 40,140.60-60,219.27-12,059.52

Finding the Fourth Proportional to 40,140.60, 60,219.27 and 12,059.52

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Solution

The fourth proportional to 40,140.60, 60,219.27 and 12,059.52 is: 18,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.60 : 60,219.27 = 12,059.52 : x
  2. Step 2: Convert to fraction form
    40,140.60/60,219.27 = 12,059.52/x
  3. Step 3: Cross multiply
    40,140.60x = 60,219.27 × 12,059.52
  4. Step 4: Simplify right side
    40,140.60x = 726,215,490.95
  5. Step 5: Solve for x
    x = 726,215,490.95/40,140.60
  6. Step 6: Final answer
    x = 18,091.79

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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.