Home / 73,740.38-101,761.92-40,206.38

Finding the Fourth Proportional to 73,740.38, 101,761.92 and 40,206.38

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Solution

The fourth proportional to 73,740.38, 101,761.92 and 40,206.38 is: 55,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,740.38 : 101,761.92 = 40,206.38 : x
  2. Step 2: Convert to fraction form
    73,740.38/101,761.92 = 40,206.38/x
  3. Step 3: Cross multiply
    73,740.38x = 101,761.92 × 40,206.38
  4. Step 4: Simplify right side
    73,740.38x = 4,091,477,916.24
  5. Step 5: Solve for x
    x = 4,091,477,916.24/73,740.38
  6. Step 6: Final answer
    x = 55,484.91

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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.