Home / 90,888.27-136,360.19-46,546.39

Finding the Fourth Proportional to 90,888.27, 136,360.19 and 46,546.39

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Solution

The fourth proportional to 90,888.27, 136,360.19 and 46,546.39 is: 69,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,888.27 : 136,360.19 = 46,546.39 : x
  2. Step 2: Convert to fraction form
    90,888.27/136,360.19 = 46,546.39/x
  3. Step 3: Cross multiply
    90,888.27x = 136,360.19 × 46,546.39
  4. Step 4: Simplify right side
    90,888.27x = 6,347,074,584.21
  5. Step 5: Solve for x
    x = 6,347,074,584.21/90,888.27
  6. Step 6: Final answer
    x = 69,833.81

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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.