Home / 126,878.24-175,093.44-70,290.56

Finding the Fourth Proportional to 126,878.24, 175,093.44 and 70,290.56

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Solution

The fourth proportional to 126,878.24, 175,093.44 and 70,290.56 is: 97,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,878.24 : 175,093.44 = 70,290.56 : x
  2. Step 2: Convert to fraction form
    126,878.24/175,093.44 = 70,290.56/x
  3. Step 3: Cross multiply
    126,878.24x = 175,093.44 × 70,290.56
  4. Step 4: Simplify right side
    126,878.24x = 12,307,415,949.93
  5. Step 5: Solve for x
    x = 12,307,415,949.93/126,878.24
  6. Step 6: Final answer
    x = 97,001.79

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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.