Home / 73,661.12-101,652.16-40,127.04

Finding the Fourth Proportional to 73,661.12, 101,652.16 and 40,127.04

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Solution

The fourth proportional to 73,661.12, 101,652.16 and 40,127.04 is: 55,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,661.12 : 101,652.16 = 40,127.04 : x
  2. Step 2: Convert to fraction form
    73,661.12/101,652.16 = 40,127.04/x
  3. Step 3: Cross multiply
    73,661.12x = 101,652.16 × 40,127.04
  4. Step 4: Simplify right side
    73,661.12x = 4,079,000,290.41
  5. Step 5: Solve for x
    x = 4,079,000,290.41/73,661.12
  6. Step 6: Final answer
    x = 55,375.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.