Home / 84,416.18-126,577.51-34,531.30

Finding the Fourth Proportional to 84,416.18, 126,577.51 and 34,531.30

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Solution

The fourth proportional to 84,416.18, 126,577.51 and 34,531.30 is: 51,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,416.18 : 126,577.51 = 34,531.30 : x
  2. Step 2: Convert to fraction form
    84,416.18/126,577.51 = 34,531.30/x
  3. Step 3: Cross multiply
    84,416.18x = 126,577.51 × 34,531.30
  4. Step 4: Simplify right side
    84,416.18x = 4,370,886,042.96
  5. Step 5: Solve for x
    x = 4,370,886,042.96/84,416.18
  6. Step 6: Final answer
    x = 51,777.83

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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.