Home / 40,130.64-60,195.83-12,050.61

Finding the Fourth Proportional to 40,130.64, 60,195.83 and 12,050.61

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Solution

The fourth proportional to 40,130.64, 60,195.83 and 12,050.61 is: 18,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.64 : 60,195.83 = 12,050.61 : x
  2. Step 2: Convert to fraction form
    40,130.64/60,195.83 = 12,050.61/x
  3. Step 3: Cross multiply
    40,130.64x = 60,195.83 × 12,050.61
  4. Step 4: Simplify right side
    40,130.64x = 725,396,184.97
  5. Step 5: Solve for x
    x = 725,396,184.97/40,130.64
  6. Step 6: Final answer
    x = 18,075.87

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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.