Home / 126,107.36-174,036-69,518.64

Finding the Fourth Proportional to 126,107.36, 174,036 and 69,518.64

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Solution

The fourth proportional to 126,107.36, 174,036 and 69,518.64 is: 95,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,107.36 : 174,036 = 69,518.64 : x
  2. Step 2: Convert to fraction form
    126,107.36/174,036 = 69,518.64/x
  3. Step 3: Cross multiply
    126,107.36x = 174,036 × 69,518.64
  4. Step 4: Simplify right side
    126,107.36x = 12,098,746,031.04
  5. Step 5: Solve for x
    x = 12,098,746,031.04/126,107.36
  6. Step 6: Final answer
    x = 95,940.05

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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.