Home / 74,261.72-102,481.40-40,270.18

Finding the Fourth Proportional to 74,261.72, 102,481.40 and 40,270.18

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Solution

The fourth proportional to 74,261.72, 102,481.40 and 40,270.18 is: 55,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.72 : 102,481.40 = 40,270.18 : x
  2. Step 2: Convert to fraction form
    74,261.72/102,481.40 = 40,270.18/x
  3. Step 3: Cross multiply
    74,261.72x = 102,481.40 × 40,270.18
  4. Step 4: Simplify right side
    74,261.72x = 4,126,944,424.65
  5. Step 5: Solve for x
    x = 4,126,944,424.65/74,261.72
  6. Step 6: Final answer
    x = 55,572.97

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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.