Home / 77,802.12-107,360.64-44,268.12

Finding the Fourth Proportional to 77,802.12, 107,360.64 and 44,268.12

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Solution

The fourth proportional to 77,802.12, 107,360.64 and 44,268.12 is: 61,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,802.12 : 107,360.64 = 44,268.12 : x
  2. Step 2: Convert to fraction form
    77,802.12/107,360.64 = 44,268.12/x
  3. Step 3: Cross multiply
    77,802.12x = 107,360.64 × 44,268.12
  4. Step 4: Simplify right side
    77,802.12x = 4,752,653,694.80
  5. Step 5: Solve for x
    x = 4,752,653,694.80/77,802.12
  6. Step 6: Final answer
    x = 61,086.43

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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.