Home / 53,760.04-80,404.24-47,878.44

Finding the Fourth Proportional to 53,760.04, 80,404.24 and 47,878.44

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Solution

The fourth proportional to 53,760.04, 80,404.24 and 47,878.44 is: 71,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.04 : 80,404.24 = 47,878.44 : x
  2. Step 2: Convert to fraction form
    53,760.04/80,404.24 = 47,878.44/x
  3. Step 3: Cross multiply
    53,760.04x = 80,404.24 × 47,878.44
  4. Step 4: Simplify right side
    53,760.04x = 3,849,629,580.59
  5. Step 5: Solve for x
    x = 3,849,629,580.59/53,760.04
  6. Step 6: Final answer
    x = 71,607.64

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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.