Home / 84,304.33-126,439.31-30,977.98

Finding the Fourth Proportional to 84,304.33, 126,439.31 and 30,977.98

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Solution

The fourth proportional to 84,304.33, 126,439.31 and 30,977.98 is: 46,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,304.33 : 126,439.31 = 30,977.98 : x
  2. Step 2: Convert to fraction form
    84,304.33/126,439.31 = 30,977.98/x
  3. Step 3: Cross multiply
    84,304.33x = 126,439.31 × 30,977.98
  4. Step 4: Simplify right side
    84,304.33x = 3,916,834,177.74
  5. Step 5: Solve for x
    x = 3,916,834,177.74/84,304.33
  6. Step 6: Final answer
    x = 46,460.65

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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.