Home / 74,524.24-102,885.96-49,407.76

Finding the Fourth Proportional to 74,524.24, 102,885.96 and 49,407.76

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Solution

The fourth proportional to 74,524.24, 102,885.96 and 49,407.76 is: 68,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524.24 : 102,885.96 = 49,407.76 : x
  2. Step 2: Convert to fraction form
    74,524.24/102,885.96 = 49,407.76/x
  3. Step 3: Cross multiply
    74,524.24x = 102,885.96 × 49,407.76
  4. Step 4: Simplify right side
    74,524.24x = 5,083,364,819.05
  5. Step 5: Solve for x
    x = 5,083,364,819.05/74,524.24
  6. Step 6: Final answer
    x = 68,210.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.