Home / 126,107.62-174,019.80-70,925.21

Finding the Fourth Proportional to 126,107.62, 174,019.80 and 70,925.21

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Solution

The fourth proportional to 126,107.62, 174,019.80 and 70,925.21 is: 97,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,107.62 : 174,019.80 = 70,925.21 : x
  2. Step 2: Convert to fraction form
    126,107.62/174,019.80 = 70,925.21/x
  3. Step 3: Cross multiply
    126,107.62x = 174,019.80 × 70,925.21
  4. Step 4: Simplify right side
    126,107.62x = 12,342,389,634.43
  5. Step 5: Solve for x
    x = 12,342,389,634.43/126,107.62
  6. Step 6: Final answer
    x = 97,871.88

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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.