Home / 90,355.42-124,691.63-50,069.97

Finding the Fourth Proportional to 90,355.42, 124,691.63 and 50,069.97

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Solution

The fourth proportional to 90,355.42, 124,691.63 and 50,069.97 is: 69,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,355.42 : 124,691.63 = 50,069.97 : x
  2. Step 2: Convert to fraction form
    90,355.42/124,691.63 = 50,069.97/x
  3. Step 3: Cross multiply
    90,355.42x = 124,691.63 × 50,069.97
  4. Step 4: Simplify right side
    90,355.42x = 6,243,306,173.35
  5. Step 5: Solve for x
    x = 6,243,306,173.35/90,355.42
  6. Step 6: Final answer
    x = 69,097.20

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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.