Home / 63,077.92-94,635.10-18,705.66

Finding the Fourth Proportional to 63,077.92, 94,635.10 and 18,705.66

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Solution

The fourth proportional to 63,077.92, 94,635.10 and 18,705.66 is: 28,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,077.92 : 94,635.10 = 18,705.66 : x
  2. Step 2: Convert to fraction form
    63,077.92/94,635.10 = 18,705.66/x
  3. Step 3: Cross multiply
    63,077.92x = 94,635.10 × 18,705.66
  4. Step 4: Simplify right side
    63,077.92x = 1,770,212,004.67
  5. Step 5: Solve for x
    x = 1,770,212,004.67/63,077.92
  6. Step 6: Final answer
    x = 28,063.89

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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.