Home / 90,183.85-124,451.79-49,347.81

Finding the Fourth Proportional to 90,183.85, 124,451.79 and 49,347.81

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Solution

The fourth proportional to 90,183.85, 124,451.79 and 49,347.81 is: 68,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183.85 : 124,451.79 = 49,347.81 : x
  2. Step 2: Convert to fraction form
    90,183.85/124,451.79 = 49,347.81/x
  3. Step 3: Cross multiply
    90,183.85x = 124,451.79 × 49,347.81
  4. Step 4: Simplify right side
    90,183.85x = 6,141,423,324.06
  5. Step 5: Solve for x
    x = 6,141,423,324.06/90,183.85
  6. Step 6: Final answer
    x = 68,098.93

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1.5x scale

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.