Home / 90,384.55-124,738.14-50,110.94

Finding the Fourth Proportional to 90,384.55, 124,738.14 and 50,110.94

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Solution

The fourth proportional to 90,384.55, 124,738.14 and 50,110.94 is: 69,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.55 : 124,738.14 = 50,110.94 : x
  2. Step 2: Convert to fraction form
    90,384.55/124,738.14 = 50,110.94/x
  3. Step 3: Cross multiply
    90,384.55x = 124,738.14 × 50,110.94
  4. Step 4: Simplify right side
    90,384.55x = 6,250,745,449.25
  5. Step 5: Solve for x
    x = 6,250,745,449.25/90,384.55
  6. Step 6: Final answer
    x = 69,157.24

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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.