Home / 81,275.03-112,204.61-55,796.48

Finding the Fourth Proportional to 81,275.03, 112,204.61 and 55,796.48

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Solution

The fourth proportional to 81,275.03, 112,204.61 and 55,796.48 is: 77,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,275.03 : 112,204.61 = 55,796.48 : x
  2. Step 2: Convert to fraction form
    81,275.03/112,204.61 = 55,796.48/x
  3. Step 3: Cross multiply
    81,275.03x = 112,204.61 × 55,796.48
  4. Step 4: Simplify right side
    81,275.03x = 6,260,622,067.77
  5. Step 5: Solve for x
    x = 6,260,622,067.77/81,275.03
  6. Step 6: Final answer
    x = 77,030.08

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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.