Home / 86,616.90-129,929.00-27,451.26

Finding the Fourth Proportional to 86,616.90, 129,929.00 and 27,451.26

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Solution

The fourth proportional to 86,616.90, 129,929.00 and 27,451.26 is: 41,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,616.90 : 129,929.00 = 27,451.26 : x
  2. Step 2: Convert to fraction form
    86,616.90/129,929.00 = 27,451.26/x
  3. Step 3: Cross multiply
    86,616.90x = 129,929.00 × 27,451.26
  4. Step 4: Simplify right side
    86,616.90x = 3,566,714,623.28
  5. Step 5: Solve for x
    x = 3,566,714,623.28/86,616.90
  6. Step 6: Final answer
    x = 41,178.05

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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.