Home / 91,237.07-125,868.06-57,222.38

Finding the Fourth Proportional to 91,237.07, 125,868.06 and 57,222.38

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Solution

The fourth proportional to 91,237.07, 125,868.06 and 57,222.38 is: 78,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,237.07 : 125,868.06 = 57,222.38 : x
  2. Step 2: Convert to fraction form
    91,237.07/125,868.06 = 57,222.38/x
  3. Step 3: Cross multiply
    91,237.07x = 125,868.06 × 57,222.38
  4. Step 4: Simplify right side
    91,237.07x = 7,202,469,959.18
  5. Step 5: Solve for x
    x = 7,202,469,959.18/91,237.07
  6. Step 6: Final answer
    x = 78,942.36

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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.