Home / 82,822.80-114,266.32-54,159.24

Finding the Fourth Proportional to 82,822.80, 114,266.32 and 54,159.24

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Solution

The fourth proportional to 82,822.80, 114,266.32 and 54,159.24 is: 74,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,822.80 : 114,266.32 = 54,159.24 : x
  2. Step 2: Convert to fraction form
    82,822.80/114,266.32 = 54,159.24/x
  3. Step 3: Cross multiply
    82,822.80x = 114,266.32 × 54,159.24
  4. Step 4: Simplify right side
    82,822.80x = 6,188,577,048.80
  5. Step 5: Solve for x
    x = 6,188,577,048.80/82,822.80
  6. Step 6: Final answer
    x = 74,720.69

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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.