Home / 103,013.24-154,619.76-49,742.86

Finding the Fourth Proportional to 103,013.24, 154,619.76 and 49,742.86

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Solution

The fourth proportional to 103,013.24, 154,619.76 and 49,742.86 is: 74,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,013.24 : 154,619.76 = 49,742.86 : x
  2. Step 2: Convert to fraction form
    103,013.24/154,619.76 = 49,742.86/x
  3. Step 3: Cross multiply
    103,013.24x = 154,619.76 × 49,742.86
  4. Step 4: Simplify right side
    103,013.24x = 7,691,229,024.91
  5. Step 5: Solve for x
    x = 7,691,229,024.91/103,013.24
  6. Step 6: Final answer
    x = 74,662.53

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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.