Home / 84,304.74-126,444.36-31,701.96

Finding the Fourth Proportional to 84,304.74, 126,444.36 and 31,701.96

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Solution

The fourth proportional to 84,304.74, 126,444.36 and 31,701.96 is: 47,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,304.74 : 126,444.36 = 31,701.96 : x
  2. Step 2: Convert to fraction form
    84,304.74/126,444.36 = 31,701.96/x
  3. Step 3: Cross multiply
    84,304.74x = 126,444.36 × 31,701.96
  4. Step 4: Simplify right side
    84,304.74x = 4,008,534,042.95
  5. Step 5: Solve for x
    x = 4,008,534,042.95/84,304.74
  6. Step 6: Final answer
    x = 47,548.15

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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.