Home / 97,986.25-135,217.11-57,701.71

Finding the Fourth Proportional to 97,986.25, 135,217.11 and 57,701.71

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Solution

The fourth proportional to 97,986.25, 135,217.11 and 57,701.71 is: 79,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,986.25 : 135,217.11 = 57,701.71 : x
  2. Step 2: Convert to fraction form
    97,986.25/135,217.11 = 57,701.71/x
  3. Step 3: Cross multiply
    97,986.25x = 135,217.11 × 57,701.71
  4. Step 4: Simplify right side
    97,986.25x = 7,802,258,468.26
  5. Step 5: Solve for x
    x = 7,802,258,468.26/97,986.25
  6. Step 6: Final answer
    x = 79,626.05

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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.