Home / 90,303.28-124,616.88-50,016.91

Finding the Fourth Proportional to 90,303.28, 124,616.88 and 50,016.91

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Solution

The fourth proportional to 90,303.28, 124,616.88 and 50,016.91 is: 69,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,303.28 : 124,616.88 = 50,016.91 : x
  2. Step 2: Convert to fraction form
    90,303.28/124,616.88 = 50,016.91/x
  3. Step 3: Cross multiply
    90,303.28x = 124,616.88 × 50,016.91
  4. Step 4: Simplify right side
    90,303.28x = 6,232,951,271.44
  5. Step 5: Solve for x
    x = 6,232,951,271.44/90,303.28
  6. Step 6: Final answer
    x = 69,022.42

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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.