Home / 91,198.36-125,838.84-83,849.58

Finding the Fourth Proportional to 91,198.36, 125,838.84 and 83,849.58

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Solution

The fourth proportional to 91,198.36, 125,838.84 and 83,849.58 is: 115,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,198.36 : 125,838.84 = 83,849.58 : x
  2. Step 2: Convert to fraction form
    91,198.36/125,838.84 = 83,849.58/x
  3. Step 3: Cross multiply
    91,198.36x = 125,838.84 × 83,849.58
  4. Step 4: Simplify right side
    91,198.36x = 10,551,533,960.30
  5. Step 5: Solve for x
    x = 10,551,533,960.30/91,198.36
  6. Step 6: Final answer
    x = 115,698.73

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1.5x scale

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.