Home / 90,230.67-124,515.14-49,944.51

Finding the Fourth Proportional to 90,230.67, 124,515.14 and 49,944.51

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Solution

The fourth proportional to 90,230.67, 124,515.14 and 49,944.51 is: 68,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,230.67 : 124,515.14 = 49,944.51 : x
  2. Step 2: Convert to fraction form
    90,230.67/124,515.14 = 49,944.51/x
  3. Step 3: Cross multiply
    90,230.67x = 124,515.14 × 49,944.51
  4. Step 4: Simplify right side
    90,230.67x = 6,218,847,654.88
  5. Step 5: Solve for x
    x = 6,218,847,654.88/90,230.67
  6. Step 6: Final answer
    x = 68,921.66

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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.