Home / 115,204.08-158,985-67,452.96

Finding the Fourth Proportional to 115,204.08, 158,985 and 67,452.96

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Solution

The fourth proportional to 115,204.08, 158,985 and 67,452.96 is: 93,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,204.08 : 158,985 = 67,452.96 : x
  2. Step 2: Convert to fraction form
    115,204.08/158,985 = 67,452.96/x
  3. Step 3: Cross multiply
    115,204.08x = 158,985 × 67,452.96
  4. Step 4: Simplify right side
    115,204.08x = 10,724,008,845.60
  5. Step 5: Solve for x
    x = 10,724,008,845.60/115,204.08
  6. Step 6: Final answer
    x = 93,087.06

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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.