Home / 102,781.07-141,844.46-57,459.24

Finding the Fourth Proportional to 102,781.07, 141,844.46 and 57,459.24

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Solution

The fourth proportional to 102,781.07, 141,844.46 and 57,459.24 is: 79,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,781.07 : 141,844.46 = 57,459.24 : x
  2. Step 2: Convert to fraction form
    102,781.07/141,844.46 = 57,459.24/x
  3. Step 3: Cross multiply
    102,781.07x = 141,844.46 × 57,459.24
  4. Step 4: Simplify right side
    102,781.07x = 8,150,274,582.51
  5. Step 5: Solve for x
    x = 8,150,274,582.51/102,781.07
  6. Step 6: Final answer
    x = 79,297.43

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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.