Home / 127,491.01-191,079.61-56,336.97

Finding the Fourth Proportional to 127,491.01, 191,079.61 and 56,336.97

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Solution

The fourth proportional to 127,491.01, 191,079.61 and 56,336.97 is: 84,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,491.01 : 191,079.61 = 56,336.97 : x
  2. Step 2: Convert to fraction form
    127,491.01/191,079.61 = 56,336.97/x
  3. Step 3: Cross multiply
    127,491.01x = 191,079.61 × 56,336.97
  4. Step 4: Simplify right side
    127,491.01x = 10,764,845,757.07
  5. Step 5: Solve for x
    x = 10,764,845,757.07/127,491.01
  6. Step 6: Final answer
    x = 84,436.11

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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.