Home / 91,934.16-126,868.39-51,647.07

Finding the Fourth Proportional to 91,934.16, 126,868.39 and 51,647.07

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Solution

The fourth proportional to 91,934.16, 126,868.39 and 51,647.07 is: 71,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934.16 : 126,868.39 = 51,647.07 : x
  2. Step 2: Convert to fraction form
    91,934.16/126,868.39 = 51,647.07/x
  3. Step 3: Cross multiply
    91,934.16x = 126,868.39 × 51,647.07
  4. Step 4: Simplify right side
    91,934.16x = 6,552,380,965.76
  5. Step 5: Solve for x
    x = 6,552,380,965.76/91,934.16
  6. Step 6: Final answer
    x = 71,272.54

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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.