Home / 90,408.07-124,766.08-50,125.58

Finding the Fourth Proportional to 90,408.07, 124,766.08 and 50,125.58

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Solution

The fourth proportional to 90,408.07, 124,766.08 and 50,125.58 is: 69,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,408.07 : 124,766.08 = 50,125.58 : x
  2. Step 2: Convert to fraction form
    90,408.07/124,766.08 = 50,125.58/x
  3. Step 3: Cross multiply
    90,408.07x = 124,766.08 × 50,125.58
  4. Step 4: Simplify right side
    90,408.07x = 6,253,972,124.33
  5. Step 5: Solve for x
    x = 6,253,972,124.33/90,408.07
  6. Step 6: Final answer
    x = 69,174.93

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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.