Home / 74,040.39-102,175.35-40,048.85

Finding the Fourth Proportional to 74,040.39, 102,175.35 and 40,048.85

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Solution

The fourth proportional to 74,040.39, 102,175.35 and 40,048.85 is: 55,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,040.39 : 102,175.35 = 40,048.85 : x
  2. Step 2: Convert to fraction form
    74,040.39/102,175.35 = 40,048.85/x
  3. Step 3: Cross multiply
    74,040.39x = 102,175.35 × 40,048.85
  4. Step 4: Simplify right side
    74,040.39x = 4,092,004,754.97
  5. Step 5: Solve for x
    x = 4,092,004,754.97/74,040.39
  6. Step 6: Final answer
    x = 55,267.20

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1.5x scale

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.