Home / 70,839.36-106,302.78-41,314.86

Finding the Fourth Proportional to 70,839.36, 106,302.78 and 41,314.86

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Solution

The fourth proportional to 70,839.36, 106,302.78 and 41,314.86 is: 61,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,839.36 : 106,302.78 = 41,314.86 : x
  2. Step 2: Convert to fraction form
    70,839.36/106,302.78 = 41,314.86/x
  3. Step 3: Cross multiply
    70,839.36x = 106,302.78 × 41,314.86
  4. Step 4: Simplify right side
    70,839.36x = 4,391,884,473.31
  5. Step 5: Solve for x
    x = 4,391,884,473.31/70,839.36
  6. Step 6: Final answer
    x = 61,997.80

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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.