Home / 90,840.24-125,356.28-50,555.70

Finding the Fourth Proportional to 90,840.24, 125,356.28 and 50,555.70

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Solution

The fourth proportional to 90,840.24, 125,356.28 and 50,555.70 is: 69,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,840.24 : 125,356.28 = 50,555.70 : x
  2. Step 2: Convert to fraction form
    90,840.24/125,356.28 = 50,555.70/x
  3. Step 3: Cross multiply
    90,840.24x = 125,356.28 × 50,555.70
  4. Step 4: Simplify right side
    90,840.24x = 6,337,474,232.02
  5. Step 5: Solve for x
    x = 6,337,474,232.02/90,840.24
  6. Step 6: Final answer
    x = 69,765.05

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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.