Home / 90,586.87-125,021.41-54,777.14

Finding the Fourth Proportional to 90,586.87, 125,021.41 and 54,777.14

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Solution

The fourth proportional to 90,586.87, 125,021.41 and 54,777.14 is: 75,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586.87 : 125,021.41 = 54,777.14 : x
  2. Step 2: Convert to fraction form
    90,586.87/125,021.41 = 54,777.14/x
  3. Step 3: Cross multiply
    90,586.87x = 125,021.41 × 54,777.14
  4. Step 4: Simplify right side
    90,586.87x = 6,848,315,278.57
  5. Step 5: Solve for x
    x = 6,848,315,278.57/90,586.87
  6. Step 6: Final answer
    x = 75,599.42

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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.