Home / 97,858.22-135,042.03-57,574.58

Finding the Fourth Proportional to 97,858.22, 135,042.03 and 57,574.58

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Solution

The fourth proportional to 97,858.22, 135,042.03 and 57,574.58 is: 79,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,858.22 : 135,042.03 = 57,574.58 : x
  2. Step 2: Convert to fraction form
    97,858.22/135,042.03 = 57,574.58/x
  3. Step 3: Cross multiply
    97,858.22x = 135,042.03 × 57,574.58
  4. Step 4: Simplify right side
    97,858.22x = 7,774,987,484.39
  5. Step 5: Solve for x
    x = 7,774,987,484.39/97,858.22
  6. Step 6: Final answer
    x = 79,451.56

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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.