Home / 72,463.46-99,999.48-40,202.97

Finding the Fourth Proportional to 72,463.46, 99,999.48 and 40,202.97

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Solution

The fourth proportional to 72,463.46, 99,999.48 and 40,202.97 is: 55,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,463.46 : 99,999.48 = 40,202.97 : x
  2. Step 2: Convert to fraction form
    72,463.46/99,999.48 = 40,202.97/x
  3. Step 3: Cross multiply
    72,463.46x = 99,999.48 × 40,202.97
  4. Step 4: Simplify right side
    72,463.46x = 4,020,275,393.44
  5. Step 5: Solve for x
    x = 4,020,275,393.44/72,463.46
  6. Step 6: Final answer
    x = 55,480.04

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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.