Home / 127,850.13-191,796.71-39,082.88

Finding the Fourth Proportional to 127,850.13, 191,796.71 and 39,082.88

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Solution

The fourth proportional to 127,850.13, 191,796.71 and 39,082.88 is: 58,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,850.13 : 191,796.71 = 39,082.88 : x
  2. Step 2: Convert to fraction form
    127,850.13/191,796.71 = 39,082.88/x
  3. Step 3: Cross multiply
    127,850.13x = 191,796.71 × 39,082.88
  4. Step 4: Simplify right side
    127,850.13x = 7,495,968,085.40
  5. Step 5: Solve for x
    x = 7,495,968,085.40/127,850.13
  6. Step 6: Final answer
    x = 58,630.90

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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.