Home / 91,102.25-125,715.68-52,858.85

Finding the Fourth Proportional to 91,102.25, 125,715.68 and 52,858.85

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Solution

The fourth proportional to 91,102.25, 125,715.68 and 52,858.85 is: 72,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,102.25 : 125,715.68 = 52,858.85 : x
  2. Step 2: Convert to fraction form
    91,102.25/125,715.68 = 52,858.85/x
  3. Step 3: Cross multiply
    91,102.25x = 125,715.68 × 52,858.85
  4. Step 4: Simplify right side
    91,102.25x = 6,645,185,577.12
  5. Step 5: Solve for x
    x = 6,645,185,577.12/91,102.25
  6. Step 6: Final answer
    x = 72,942.06

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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.