Home / 65,568.22-90,498.45-41,690.23

Finding the Fourth Proportional to 65,568.22, 90,498.45 and 41,690.23

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Solution

The fourth proportional to 65,568.22, 90,498.45 and 41,690.23 is: 57,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,568.22 : 90,498.45 = 41,690.23 : x
  2. Step 2: Convert to fraction form
    65,568.22/90,498.45 = 41,690.23/x
  3. Step 3: Cross multiply
    65,568.22x = 90,498.45 × 41,690.23
  4. Step 4: Simplify right side
    65,568.22x = 3,772,901,195.14
  5. Step 5: Solve for x
    x = 3,772,901,195.14/65,568.22
  6. Step 6: Final answer
    x = 57,541.61

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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.