Home / 66,410.16-99,761.22-40,130.52

Finding the Fourth Proportional to 66,410.16, 99,761.22 and 40,130.52

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Solution

The fourth proportional to 66,410.16, 99,761.22 and 40,130.52 is: 60,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,410.16 : 99,761.22 = 40,130.52 : x
  2. Step 2: Convert to fraction form
    66,410.16/99,761.22 = 40,130.52/x
  3. Step 3: Cross multiply
    66,410.16x = 99,761.22 × 40,130.52
  4. Step 4: Simplify right side
    66,410.16x = 4,003,469,634.43
  5. Step 5: Solve for x
    x = 4,003,469,634.43/66,410.16
  6. Step 6: Final answer
    x = 60,283.99

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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.