Home / 97,855.57-135,067.26-57,582.28

Finding the Fourth Proportional to 97,855.57, 135,067.26 and 57,582.28

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Solution

The fourth proportional to 97,855.57, 135,067.26 and 57,582.28 is: 79,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,855.57 : 135,067.26 = 57,582.28 : x
  2. Step 2: Convert to fraction form
    97,855.57/135,067.26 = 57,582.28/x
  3. Step 3: Cross multiply
    97,855.57x = 135,067.26 × 57,582.28
  4. Step 4: Simplify right side
    97,855.57x = 7,777,480,784.15
  5. Step 5: Solve for x
    x = 7,777,480,784.15/97,855.57
  6. Step 6: Final answer
    x = 79,479.18

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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.