Home / 70,118.82-96,771.60-43,260.66

Finding the Fourth Proportional to 70,118.82, 96,771.60 and 43,260.66

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Solution

The fourth proportional to 70,118.82, 96,771.60 and 43,260.66 is: 59,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,118.82 : 96,771.60 = 43,260.66 : x
  2. Step 2: Convert to fraction form
    70,118.82/96,771.60 = 43,260.66/x
  3. Step 3: Cross multiply
    70,118.82x = 96,771.60 × 43,260.66
  4. Step 4: Simplify right side
    70,118.82x = 4,186,403,285.26
  5. Step 5: Solve for x
    x = 4,186,403,285.26/70,118.82
  6. Step 6: Final answer
    x = 59,704.42

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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.