Home / 75,167.72-112,792.86-43,616.36

Finding the Fourth Proportional to 75,167.72, 112,792.86 and 43,616.36

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Solution

The fourth proportional to 75,167.72, 112,792.86 and 43,616.36 is: 65,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,167.72 : 112,792.86 = 43,616.36 : x
  2. Step 2: Convert to fraction form
    75,167.72/112,792.86 = 43,616.36/x
  3. Step 3: Cross multiply
    75,167.72x = 112,792.86 × 43,616.36
  4. Step 4: Simplify right side
    75,167.72x = 4,919,613,987.19
  5. Step 5: Solve for x
    x = 4,919,613,987.19/75,167.72
  6. Step 6: Final answer
    x = 65,448.49

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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.