Home / 90,044.82-124,262.70-49,756.62

Finding the Fourth Proportional to 90,044.82, 124,262.70 and 49,756.62

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Solution

The fourth proportional to 90,044.82, 124,262.70 and 49,756.62 is: 68,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,044.82 : 124,262.70 = 49,756.62 : x
  2. Step 2: Convert to fraction form
    90,044.82/124,262.70 = 49,756.62/x
  3. Step 3: Cross multiply
    90,044.82x = 124,262.70 × 49,756.62
  4. Step 4: Simplify right side
    90,044.82x = 6,182,891,944.07
  5. Step 5: Solve for x
    x = 6,182,891,944.07/90,044.82
  6. Step 6: Final answer
    x = 68,664.60

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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.