Home / 127,411.08-191,125.62-38,671.80

Finding the Fourth Proportional to 127,411.08, 191,125.62 and 38,671.80

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Solution

The fourth proportional to 127,411.08, 191,125.62 and 38,671.80 is: 58,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,411.08 : 191,125.62 = 38,671.80 : x
  2. Step 2: Convert to fraction form
    127,411.08/191,125.62 = 38,671.80/x
  3. Step 3: Cross multiply
    127,411.08x = 191,125.62 × 38,671.80
  4. Step 4: Simplify right side
    127,411.08x = 7,391,171,751.52
  5. Step 5: Solve for x
    x = 7,391,171,751.52/127,411.08
  6. Step 6: Final answer
    x = 58,010.43

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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.