Home / 74,650.24-102,984.63-49,123.76

Finding the Fourth Proportional to 74,650.24, 102,984.63 and 49,123.76

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Solution

The fourth proportional to 74,650.24, 102,984.63 and 49,123.76 is: 67,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.24 : 102,984.63 = 49,123.76 : x
  2. Step 2: Convert to fraction form
    74,650.24/102,984.63 = 49,123.76/x
  3. Step 3: Cross multiply
    74,650.24x = 102,984.63 × 49,123.76
  4. Step 4: Simplify right side
    74,650.24x = 5,058,992,247.81
  5. Step 5: Solve for x
    x = 5,058,992,247.81/74,650.24
  6. Step 6: Final answer
    x = 67,769.27

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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.