Home / 90,597.35-125,028.53-50,311.29

Finding the Fourth Proportional to 90,597.35, 125,028.53 and 50,311.29

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Solution

The fourth proportional to 90,597.35, 125,028.53 and 50,311.29 is: 69,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,597.35 : 125,028.53 = 50,311.29 : x
  2. Step 2: Convert to fraction form
    90,597.35/125,028.53 = 50,311.29/x
  3. Step 3: Cross multiply
    90,597.35x = 125,028.53 × 50,311.29
  4. Step 4: Simplify right side
    90,597.35x = 6,290,347,037.07
  5. Step 5: Solve for x
    x = 6,290,347,037.07/90,597.35
  6. Step 6: Final answer
    x = 69,431.91

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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.