Home / 51,404.04-70,977.78-39,448.44

Finding the Fourth Proportional to 51,404.04, 70,977.78 and 39,448.44

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Solution

The fourth proportional to 51,404.04, 70,977.78 and 39,448.44 is: 54,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,404.04 : 70,977.78 = 39,448.44 : x
  2. Step 2: Convert to fraction form
    51,404.04/70,977.78 = 39,448.44/x
  3. Step 3: Cross multiply
    51,404.04x = 70,977.78 × 39,448.44
  4. Step 4: Simplify right side
    51,404.04x = 2,799,962,695.66
  5. Step 5: Solve for x
    x = 2,799,962,695.66/51,404.04
  6. Step 6: Final answer
    x = 54,469.70

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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.