Home / 72,034.03-99,411.30-40,204.97

Finding the Fourth Proportional to 72,034.03, 99,411.30 and 40,204.97

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Solution

The fourth proportional to 72,034.03, 99,411.30 and 40,204.97 is: 55,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,034.03 : 99,411.30 = 40,204.97 : x
  2. Step 2: Convert to fraction form
    72,034.03/99,411.30 = 40,204.97/x
  3. Step 3: Cross multiply
    72,034.03x = 99,411.30 × 40,204.97
  4. Step 4: Simplify right side
    72,034.03x = 3,996,828,769.09
  5. Step 5: Solve for x
    x = 3,996,828,769.09/72,034.03
  6. Step 6: Final answer
    x = 55,485.29

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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.