Home / 97,747.36-146,538.96-68,077.60

Finding the Fourth Proportional to 97,747.36, 146,538.96 and 68,077.60

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Solution

The fourth proportional to 97,747.36, 146,538.96 and 68,077.60 is: 102,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,747.36 : 146,538.96 = 68,077.60 : x
  2. Step 2: Convert to fraction form
    97,747.36/146,538.96 = 68,077.60/x
  3. Step 3: Cross multiply
    97,747.36x = 146,538.96 × 68,077.60
  4. Step 4: Simplify right side
    97,747.36x = 9,976,020,703.30
  5. Step 5: Solve for x
    x = 9,976,020,703.30/97,747.36
  6. Step 6: Final answer
    x = 102,059.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.