Home / 52,301.12-72,175.97-28,427.78

Finding the Fourth Proportional to 52,301.12, 72,175.97 and 28,427.78

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Solution

The fourth proportional to 52,301.12, 72,175.97 and 28,427.78 is: 39,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.12 : 72,175.97 = 28,427.78 : x
  2. Step 2: Convert to fraction form
    52,301.12/72,175.97 = 28,427.78/x
  3. Step 3: Cross multiply
    52,301.12x = 72,175.97 × 28,427.78
  4. Step 4: Simplify right side
    52,301.12x = 2,051,802,847.96
  5. Step 5: Solve for x
    x = 2,051,802,847.96/52,301.12
  6. Step 6: Final answer
    x = 39,230.58

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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.