Home / 127,702.85-191,553.23-47,760.98

Finding the Fourth Proportional to 127,702.85, 191,553.23 and 47,760.98

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Solution

The fourth proportional to 127,702.85, 191,553.23 and 47,760.98 is: 71,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702.85 : 191,553.23 = 47,760.98 : x
  2. Step 2: Convert to fraction form
    127,702.85/191,553.23 = 47,760.98/x
  3. Step 3: Cross multiply
    127,702.85x = 191,553.23 × 47,760.98
  4. Step 4: Simplify right side
    127,702.85x = 9,148,770,585.25
  5. Step 5: Solve for x
    x = 9,148,770,585.25/127,702.85
  6. Step 6: Final answer
    x = 71,641.08

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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.