Home / 70,581.12-97,405.56-43,738.08

Finding the Fourth Proportional to 70,581.12, 97,405.56 and 43,738.08

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Solution

The fourth proportional to 70,581.12, 97,405.56 and 43,738.08 is: 60,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,581.12 : 97,405.56 = 43,738.08 : x
  2. Step 2: Convert to fraction form
    70,581.12/97,405.56 = 43,738.08/x
  3. Step 3: Cross multiply
    70,581.12x = 97,405.56 × 43,738.08
  4. Step 4: Simplify right side
    70,581.12x = 4,260,332,175.72
  5. Step 5: Solve for x
    x = 4,260,332,175.72/70,581.12
  6. Step 6: Final answer
    x = 60,360.79

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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.