Home / 90,346.28-124,672.61-50,057.64

Finding the Fourth Proportional to 90,346.28, 124,672.61 and 50,057.64

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Solution

The fourth proportional to 90,346.28, 124,672.61 and 50,057.64 is: 69,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,346.28 : 124,672.61 = 50,057.64 : x
  2. Step 2: Convert to fraction form
    90,346.28/124,672.61 = 50,057.64/x
  3. Step 3: Cross multiply
    90,346.28x = 124,672.61 × 50,057.64
  4. Step 4: Simplify right side
    90,346.28x = 6,240,816,378.95
  5. Step 5: Solve for x
    x = 6,240,816,378.95/90,346.28
  6. Step 6: Final answer
    x = 69,076.63

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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.