Home / 52,249.12-72,103.47-28,375.58

Finding the Fourth Proportional to 52,249.12, 72,103.47 and 28,375.58

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Solution

The fourth proportional to 52,249.12, 72,103.47 and 28,375.58 is: 39,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,249.12 : 72,103.47 = 28,375.58 : x
  2. Step 2: Convert to fraction form
    52,249.12/72,103.47 = 28,375.58/x
  3. Step 3: Cross multiply
    52,249.12x = 72,103.47 × 28,375.58
  4. Step 4: Simplify right side
    52,249.12x = 2,045,977,855.11
  5. Step 5: Solve for x
    x = 2,045,977,855.11/52,249.12
  6. Step 6: Final answer
    x = 39,158.13

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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.