Home / 127,761.30-191,641.14-39,014.46

Finding the Fourth Proportional to 127,761.30, 191,641.14 and 39,014.46

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Solution

The fourth proportional to 127,761.30, 191,641.14 and 39,014.46 is: 58,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,761.30 : 191,641.14 = 39,014.46 : x
  2. Step 2: Convert to fraction form
    127,761.30/191,641.14 = 39,014.46/x
  3. Step 3: Cross multiply
    127,761.30x = 191,641.14 × 39,014.46
  4. Step 4: Simplify right side
    127,761.30x = 7,476,775,590.88
  5. Step 5: Solve for x
    x = 7,476,775,590.88/127,761.30
  6. Step 6: Final answer
    x = 58,521.44

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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.