Home / 90,740.56-125,219.64-50,452.24

Finding the Fourth Proportional to 90,740.56, 125,219.64 and 50,452.24

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Solution

The fourth proportional to 90,740.56, 125,219.64 and 50,452.24 is: 69,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,740.56 : 125,219.64 = 50,452.24 : x
  2. Step 2: Convert to fraction form
    90,740.56/125,219.64 = 50,452.24/x
  3. Step 3: Cross multiply
    90,740.56x = 125,219.64 × 50,452.24
  4. Step 4: Simplify right side
    90,740.56x = 6,317,611,329.99
  5. Step 5: Solve for x
    x = 6,317,611,329.99/90,740.56
  6. Step 6: Final answer
    x = 69,622.79

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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.