Home / 40,092.77-60,139.19-12,015.81

Finding the Fourth Proportional to 40,092.77, 60,139.19 and 12,015.81

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Solution

The fourth proportional to 40,092.77, 60,139.19 and 12,015.81 is: 18,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,092.77 : 60,139.19 = 12,015.81 : x
  2. Step 2: Convert to fraction form
    40,092.77/60,139.19 = 12,015.81/x
  3. Step 3: Cross multiply
    40,092.77x = 60,139.19 × 12,015.81
  4. Step 4: Simplify right side
    40,092.77x = 722,621,080.59
  5. Step 5: Solve for x
    x = 722,621,080.59/40,092.77
  6. Step 6: Final answer
    x = 18,023.73

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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.