Home / 90,527.16-124,942.41-50,253.81

Finding the Fourth Proportional to 90,527.16, 124,942.41 and 50,253.81

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Solution

The fourth proportional to 90,527.16, 124,942.41 and 50,253.81 is: 69,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.16 : 124,942.41 = 50,253.81 : x
  2. Step 2: Convert to fraction form
    90,527.16/124,942.41 = 50,253.81/x
  3. Step 3: Cross multiply
    90,527.16x = 124,942.41 × 50,253.81
  4. Step 4: Simplify right side
    90,527.16x = 6,278,832,133.08
  5. Step 5: Solve for x
    x = 6,278,832,133.08/90,527.16
  6. Step 6: Final answer
    x = 69,358.55

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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.