Home / 77,776.47-116,665.08-27,175.29

Finding the Fourth Proportional to 77,776.47, 116,665.08 and 27,175.29

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Solution

The fourth proportional to 77,776.47, 116,665.08 and 27,175.29 is: 40,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,776.47 : 116,665.08 = 27,175.29 : x
  2. Step 2: Convert to fraction form
    77,776.47/116,665.08 = 27,175.29/x
  3. Step 3: Cross multiply
    77,776.47x = 116,665.08 × 27,175.29
  4. Step 4: Simplify right side
    77,776.47x = 3,170,407,279.97
  5. Step 5: Solve for x
    x = 3,170,407,279.97/77,776.47
  6. Step 6: Final answer
    x = 40,763.06

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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.