Home / 49,809.40-74,714.10-47,282.20

Finding the Fourth Proportional to 49,809.40, 74,714.10 and 47,282.20

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Solution

The fourth proportional to 49,809.40, 74,714.10 and 47,282.20 is: 70,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,809.40 : 74,714.10 = 47,282.20 : x
  2. Step 2: Convert to fraction form
    49,809.40/74,714.10 = 47,282.20/x
  3. Step 3: Cross multiply
    49,809.40x = 74,714.10 × 47,282.20
  4. Step 4: Simplify right side
    49,809.40x = 3,532,647,019.02
  5. Step 5: Solve for x
    x = 3,532,647,019.02/49,809.40
  6. Step 6: Final answer
    x = 70,923.30

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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.