Home / 91,933.82-126,912.10-61,357.54

Finding the Fourth Proportional to 91,933.82, 126,912.10 and 61,357.54

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Solution

The fourth proportional to 91,933.82, 126,912.10 and 61,357.54 is: 84,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,933.82 : 126,912.10 = 61,357.54 : x
  2. Step 2: Convert to fraction form
    91,933.82/126,912.10 = 61,357.54/x
  3. Step 3: Cross multiply
    91,933.82x = 126,912.10 × 61,357.54
  4. Step 4: Simplify right side
    91,933.82x = 7,787,014,252.23
  5. Step 5: Solve for x
    x = 7,787,014,252.23/91,933.82
  6. Step 6: Final answer
    x = 84,702.39

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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.