Home / 127,835.10-191,781.45-39,092.70

Finding the Fourth Proportional to 127,835.10, 191,781.45 and 39,092.70

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Solution

The fourth proportional to 127,835.10, 191,781.45 and 39,092.70 is: 58,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,835.10 : 191,781.45 = 39,092.70 : x
  2. Step 2: Convert to fraction form
    127,835.10/191,781.45 = 39,092.70/x
  3. Step 3: Cross multiply
    127,835.10x = 191,781.45 × 39,092.70
  4. Step 4: Simplify right side
    127,835.10x = 7,497,254,690.42
  5. Step 5: Solve for x
    x = 7,497,254,690.42/127,835.10
  6. Step 6: Final answer
    x = 58,647.86

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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.