Home / 82,304.51-123,432.35-34,918.97

Finding the Fourth Proportional to 82,304.51, 123,432.35 and 34,918.97

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Solution

The fourth proportional to 82,304.51, 123,432.35 and 34,918.97 is: 52,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,304.51 : 123,432.35 = 34,918.97 : x
  2. Step 2: Convert to fraction form
    82,304.51/123,432.35 = 34,918.97/x
  3. Step 3: Cross multiply
    82,304.51x = 123,432.35 × 34,918.97
  4. Step 4: Simplify right side
    82,304.51x = 4,310,129,734.92
  5. Step 5: Solve for x
    x = 4,310,129,734.92/82,304.51
  6. Step 6: Final answer
    x = 52,368.09

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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.