Home / 81,601.16-122,327.84-28,998.34

Finding the Fourth Proportional to 81,601.16, 122,327.84 and 28,998.34

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Solution

The fourth proportional to 81,601.16, 122,327.84 and 28,998.34 is: 43,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,601.16 : 122,327.84 = 28,998.34 : x
  2. Step 2: Convert to fraction form
    81,601.16/122,327.84 = 28,998.34/x
  3. Step 3: Cross multiply
    81,601.16x = 122,327.84 × 28,998.34
  4. Step 4: Simplify right side
    81,601.16x = 3,547,304,062.46
  5. Step 5: Solve for x
    x = 3,547,304,062.46/81,601.16
  6. Step 6: Final answer
    x = 43,471.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.