Home / 97,092.15-134,028.62-65,279.50

Finding the Fourth Proportional to 97,092.15, 134,028.62 and 65,279.50

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Solution

The fourth proportional to 97,092.15, 134,028.62 and 65,279.50 is: 90,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,092.15 : 134,028.62 = 65,279.50 : x
  2. Step 2: Convert to fraction form
    97,092.15/134,028.62 = 65,279.50/x
  3. Step 3: Cross multiply
    97,092.15x = 134,028.62 × 65,279.50
  4. Step 4: Simplify right side
    97,092.15x = 8,749,321,299.29
  5. Step 5: Solve for x
    x = 8,749,321,299.29/97,092.15
  6. Step 6: Final answer
    x = 90,113.58

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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.