Home / 77,049.18-106,288.02-48,771.27

Finding the Fourth Proportional to 77,049.18, 106,288.02 and 48,771.27

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Solution

The fourth proportional to 77,049.18, 106,288.02 and 48,771.27 is: 67,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,049.18 : 106,288.02 = 48,771.27 : x
  2. Step 2: Convert to fraction form
    77,049.18/106,288.02 = 48,771.27/x
  3. Step 3: Cross multiply
    77,049.18x = 106,288.02 × 48,771.27
  4. Step 4: Simplify right side
    77,049.18x = 5,183,801,721.19
  5. Step 5: Solve for x
    x = 5,183,801,721.19/77,049.18
  6. Step 6: Final answer
    x = 67,279.13

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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.