Home / 90,529.68-124,930.05-50,243.79

Finding the Fourth Proportional to 90,529.68, 124,930.05 and 50,243.79

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Solution

The fourth proportional to 90,529.68, 124,930.05 and 50,243.79 is: 69,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.68 : 124,930.05 = 50,243.79 : x
  2. Step 2: Convert to fraction form
    90,529.68/124,930.05 = 50,243.79/x
  3. Step 3: Cross multiply
    90,529.68x = 124,930.05 × 50,243.79
  4. Step 4: Simplify right side
    90,529.68x = 6,276,959,476.96
  5. Step 5: Solve for x
    x = 6,276,959,476.96/90,529.68
  6. Step 6: Final answer
    x = 69,335.93

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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.