Home / 126,757.10-174,924.85-69,400.14

Finding the Fourth Proportional to 126,757.10, 174,924.85 and 69,400.14

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Solution

The fourth proportional to 126,757.10, 174,924.85 and 69,400.14 is: 95,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,757.10 : 174,924.85 = 69,400.14 : x
  2. Step 2: Convert to fraction form
    126,757.10/174,924.85 = 69,400.14/x
  3. Step 3: Cross multiply
    126,757.10x = 174,924.85 × 69,400.14
  4. Step 4: Simplify right side
    126,757.10x = 12,139,809,656.87
  5. Step 5: Solve for x
    x = 12,139,809,656.87/126,757.10
  6. Step 6: Final answer
    x = 95,772.22

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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.