Home / 90,046.45-124,262.39-49,759.34

Finding the Fourth Proportional to 90,046.45, 124,262.39 and 49,759.34

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Solution

The fourth proportional to 90,046.45, 124,262.39 and 49,759.34 is: 68,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,046.45 : 124,262.39 = 49,759.34 : x
  2. Step 2: Convert to fraction form
    90,046.45/124,262.39 = 49,759.34/x
  3. Step 3: Cross multiply
    90,046.45x = 124,262.39 × 49,759.34
  4. Step 4: Simplify right side
    90,046.45x = 6,183,214,513.22
  5. Step 5: Solve for x
    x = 6,183,214,513.22/90,046.45
  6. Step 6: Final answer
    x = 68,666.94

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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.