Home / 127,713.72-191,579.22-48,836.28

Finding the Fourth Proportional to 127,713.72, 191,579.22 and 48,836.28

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Solution

The fourth proportional to 127,713.72, 191,579.22 and 48,836.28 is: 73,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,713.72 : 191,579.22 = 48,836.28 : x
  2. Step 2: Convert to fraction form
    127,713.72/191,579.22 = 48,836.28/x
  3. Step 3: Cross multiply
    127,713.72x = 191,579.22 × 48,836.28
  4. Step 4: Simplify right side
    127,713.72x = 9,356,016,430.10
  5. Step 5: Solve for x
    x = 9,356,016,430.10/127,713.72
  6. Step 6: Final answer
    x = 73,257.72

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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.