Home / 90,405.87-135,577.34-37,082.70

Finding the Fourth Proportional to 90,405.87, 135,577.34 and 37,082.70

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Solution

The fourth proportional to 90,405.87, 135,577.34 and 37,082.70 is: 55,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,405.87 : 135,577.34 = 37,082.70 : x
  2. Step 2: Convert to fraction form
    90,405.87/135,577.34 = 37,082.70/x
  3. Step 3: Cross multiply
    90,405.87x = 135,577.34 × 37,082.70
  4. Step 4: Simplify right side
    90,405.87x = 5,027,573,640.60
  5. Step 5: Solve for x
    x = 5,027,573,640.60/90,405.87
  6. Step 6: Final answer
    x = 55,611.14

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1.5x scale

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.