Home / 82,791.04-114,252.16-45,065.28

Finding the Fourth Proportional to 82,791.04, 114,252.16 and 45,065.28

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Solution

The fourth proportional to 82,791.04, 114,252.16 and 45,065.28 is: 62,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791.04 : 114,252.16 = 45,065.28 : x
  2. Step 2: Convert to fraction form
    82,791.04/114,252.16 = 45,065.28/x
  3. Step 3: Cross multiply
    82,791.04x = 114,252.16 × 45,065.28
  4. Step 4: Simplify right side
    82,791.04x = 5,148,805,581.00
  5. Step 5: Solve for x
    x = 5,148,805,581.00/82,791.04
  6. Step 6: Final answer
    x = 62,190.37

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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.