Home / 90,572.71-124,994.24-50,286.47

Finding the Fourth Proportional to 90,572.71, 124,994.24 and 50,286.47

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Solution

The fourth proportional to 90,572.71, 124,994.24 and 50,286.47 is: 69,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,572.71 : 124,994.24 = 50,286.47 : x
  2. Step 2: Convert to fraction form
    90,572.71/124,994.24 = 50,286.47/x
  3. Step 3: Cross multiply
    90,572.71x = 124,994.24 × 50,286.47
  4. Step 4: Simplify right side
    90,572.71x = 6,285,519,099.93
  5. Step 5: Solve for x
    x = 6,285,519,099.93/90,572.71
  6. Step 6: Final answer
    x = 69,397.50

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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.