Home / 57,404.04-86,103.66-19,972.58

Finding the Fourth Proportional to 57,404.04, 86,103.66 and 19,972.58

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Solution

The fourth proportional to 57,404.04, 86,103.66 and 19,972.58 is: 29,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404.04 : 86,103.66 = 19,972.58 : x
  2. Step 2: Convert to fraction form
    57,404.04/86,103.66 = 19,972.58/x
  3. Step 3: Cross multiply
    57,404.04x = 86,103.66 × 19,972.58
  4. Step 4: Simplify right side
    57,404.04x = 1,719,712,237.64
  5. Step 5: Solve for x
    x = 1,719,712,237.64/57,404.04
  6. Step 6: Final answer
    x = 29,958.03

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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.