Home / 61,183.91-91,764.92-38,931.19

Finding the Fourth Proportional to 61,183.91, 91,764.92 and 38,931.19

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Solution

The fourth proportional to 61,183.91, 91,764.92 and 38,931.19 is: 58,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,183.91 : 91,764.92 = 38,931.19 : x
  2. Step 2: Convert to fraction form
    61,183.91/91,764.92 = 38,931.19/x
  3. Step 3: Cross multiply
    61,183.91x = 91,764.92 × 38,931.19
  4. Step 4: Simplify right side
    61,183.91x = 3,572,517,403.77
  5. Step 5: Solve for x
    x = 3,572,517,403.77/61,183.91
  6. Step 6: Final answer
    x = 58,389.82

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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.