Home / 127,769.32-191,524.38-61,111.72

Finding the Fourth Proportional to 127,769.32, 191,524.38 and 61,111.72

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Solution

The fourth proportional to 127,769.32, 191,524.38 and 61,111.72 is: 91,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,769.32 : 191,524.38 = 61,111.72 : x
  2. Step 2: Convert to fraction form
    127,769.32/191,524.38 = 61,111.72/x
  3. Step 3: Cross multiply
    127,769.32x = 191,524.38 × 61,111.72
  4. Step 4: Simplify right side
    127,769.32x = 11,704,384,283.73
  5. Step 5: Solve for x
    x = 11,704,384,283.73/127,769.32
  6. Step 6: Final answer
    x = 91,605.59

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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.