Home / 90,976.12-136,591.70-46,634.68

Finding the Fourth Proportional to 90,976.12, 136,591.70 and 46,634.68

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Solution

The fourth proportional to 90,976.12, 136,591.70 and 46,634.68 is: 70,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,976.12 : 136,591.70 = 46,634.68 : x
  2. Step 2: Convert to fraction form
    90,976.12/136,591.70 = 46,634.68/x
  3. Step 3: Cross multiply
    90,976.12x = 136,591.70 × 46,634.68
  4. Step 4: Simplify right side
    90,976.12x = 6,369,910,220.16
  5. Step 5: Solve for x
    x = 6,369,910,220.16/90,976.12
  6. Step 6: Final answer
    x = 70,017.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.