Home / 72,091.97-99,487.13-40,262.07

Finding the Fourth Proportional to 72,091.97, 99,487.13 and 40,262.07

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Solution

The fourth proportional to 72,091.97, 99,487.13 and 40,262.07 is: 55,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,091.97 : 99,487.13 = 40,262.07 : x
  2. Step 2: Convert to fraction form
    72,091.97/99,487.13 = 40,262.07/x
  3. Step 3: Cross multiply
    72,091.97x = 99,487.13 × 40,262.07
  4. Step 4: Simplify right side
    72,091.97x = 4,005,557,590.85
  5. Step 5: Solve for x
    x = 4,005,557,590.85/72,091.97
  6. Step 6: Final answer
    x = 55,561.78

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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.