Home / 52,277.93-72,143.43-28,404.70

Finding the Fourth Proportional to 52,277.93, 72,143.43 and 28,404.70

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Solution

The fourth proportional to 52,277.93, 72,143.43 and 28,404.70 is: 39,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,277.93 : 72,143.43 = 28,404.70 : x
  2. Step 2: Convert to fraction form
    52,277.93/72,143.43 = 28,404.70/x
  3. Step 3: Cross multiply
    52,277.93x = 72,143.43 × 28,404.70
  4. Step 4: Simplify right side
    52,277.93x = 2,049,212,199.24
  5. Step 5: Solve for x
    x = 2,049,212,199.24/52,277.93
  6. Step 6: Final answer
    x = 39,198.42

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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.