Home / 90,825.63-136,267.25-49,249.95

Finding the Fourth Proportional to 90,825.63, 136,267.25 and 49,249.95

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Solution

The fourth proportional to 90,825.63, 136,267.25 and 49,249.95 is: 73,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,825.63 : 136,267.25 = 49,249.95 : x
  2. Step 2: Convert to fraction form
    90,825.63/136,267.25 = 49,249.95/x
  3. Step 3: Cross multiply
    90,825.63x = 136,267.25 × 49,249.95
  4. Step 4: Simplify right side
    90,825.63x = 6,711,155,002.89
  5. Step 5: Solve for x
    x = 6,711,155,002.89/90,825.63
  6. Step 6: Final answer
    x = 73,890.54

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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.