Home / 91,825.16-137,737.49-51,826.01

Finding the Fourth Proportional to 91,825.16, 137,737.49 and 51,826.01

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Solution

The fourth proportional to 91,825.16, 137,737.49 and 51,826.01 is: 77,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,825.16 : 137,737.49 = 51,826.01 : x
  2. Step 2: Convert to fraction form
    91,825.16/137,737.49 = 51,826.01/x
  3. Step 3: Cross multiply
    91,825.16x = 137,737.49 × 51,826.01
  4. Step 4: Simplify right side
    91,825.16x = 7,138,383,586.30
  5. Step 5: Solve for x
    x = 7,138,383,586.30/91,825.16
  6. Step 6: Final answer
    x = 77,738.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.