Home / 45,949.80-68,924.70-31,204.20

Finding the Fourth Proportional to 45,949.80, 68,924.70 and 31,204.20

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Solution

The fourth proportional to 45,949.80, 68,924.70 and 31,204.20 is: 46,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,949.80 : 68,924.70 = 31,204.20 : x
  2. Step 2: Convert to fraction form
    45,949.80/68,924.70 = 31,204.20/x
  3. Step 3: Cross multiply
    45,949.80x = 68,924.70 × 31,204.20
  4. Step 4: Simplify right side
    45,949.80x = 2,150,740,123.74
  5. Step 5: Solve for x
    x = 2,150,740,123.74/45,949.80
  6. Step 6: Final answer
    x = 46,806.30

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1.5x scale

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.