Home / 57,919.79-86,721.66-43,837.22

Finding the Fourth Proportional to 57,919.79, 86,721.66 and 43,837.22

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Solution

The fourth proportional to 57,919.79, 86,721.66 and 43,837.22 is: 65,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,919.79 : 86,721.66 = 43,837.22 : x
  2. Step 2: Convert to fraction form
    57,919.79/86,721.66 = 43,837.22/x
  3. Step 3: Cross multiply
    57,919.79x = 86,721.66 × 43,837.22
  4. Step 4: Simplify right side
    57,919.79x = 3,801,636,488.19
  5. Step 5: Solve for x
    x = 3,801,636,488.19/57,919.79
  6. Step 6: Final answer
    x = 65,636.23

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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.