Home / 126,786.24-174,967.70-69,427.98

Finding the Fourth Proportional to 126,786.24, 174,967.70 and 69,427.98

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Solution

The fourth proportional to 126,786.24, 174,967.70 and 69,427.98 is: 95,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,786.24 : 174,967.70 = 69,427.98 : x
  2. Step 2: Convert to fraction form
    126,786.24/174,967.70 = 69,427.98/x
  3. Step 3: Cross multiply
    126,786.24x = 174,967.70 × 69,427.98
  4. Step 4: Simplify right side
    126,786.24x = 12,147,653,629.11
  5. Step 5: Solve for x
    x = 12,147,653,629.11/126,786.24
  6. Step 6: Final answer
    x = 95,812.08

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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.