Home / 90,046.51-124,260.84-49,759.44

Finding the Fourth Proportional to 90,046.51, 124,260.84 and 49,759.44

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Solution

The fourth proportional to 90,046.51, 124,260.84 and 49,759.44 is: 68,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,046.51 : 124,260.84 = 49,759.44 : x
  2. Step 2: Convert to fraction form
    90,046.51/124,260.84 = 49,759.44/x
  3. Step 3: Cross multiply
    90,046.51x = 124,260.84 × 49,759.44
  4. Step 4: Simplify right side
    90,046.51x = 6,183,149,812.33
  5. Step 5: Solve for x
    x = 6,183,149,812.33/90,046.51
  6. Step 6: Final answer
    x = 68,666.18

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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.