Home / 97,743.96-134,997.17-65,857.50

Finding the Fourth Proportional to 97,743.96, 134,997.17 and 65,857.50

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Solution

The fourth proportional to 97,743.96, 134,997.17 and 65,857.50 is: 90,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,743.96 : 134,997.17 = 65,857.50 : x
  2. Step 2: Convert to fraction form
    97,743.96/134,997.17 = 65,857.50/x
  3. Step 3: Cross multiply
    97,743.96x = 134,997.17 × 65,857.50
  4. Step 4: Simplify right side
    97,743.96x = 8,890,575,793.99
  5. Step 5: Solve for x
    x = 8,890,575,793.99/97,743.96
  6. Step 6: Final answer
    x = 90,957.80

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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.