Home / 127,627.26-191,451.72-38,881.50

Finding the Fourth Proportional to 127,627.26, 191,451.72 and 38,881.50

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Solution

The fourth proportional to 127,627.26, 191,451.72 and 38,881.50 is: 58,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,627.26 : 191,451.72 = 38,881.50 : x
  2. Step 2: Convert to fraction form
    127,627.26/191,451.72 = 38,881.50/x
  3. Step 3: Cross multiply
    127,627.26x = 191,451.72 × 38,881.50
  4. Step 4: Simplify right side
    127,627.26x = 7,443,930,051.18
  5. Step 5: Solve for x
    x = 7,443,930,051.18/127,627.26
  6. Step 6: Final answer
    x = 58,325.55

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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.