Home / 52,321.62-72,205.29-28,449.93

Finding the Fourth Proportional to 52,321.62, 72,205.29 and 28,449.93

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Solution

The fourth proportional to 52,321.62, 72,205.29 and 28,449.93 is: 39,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.62 : 72,205.29 = 28,449.93 : x
  2. Step 2: Convert to fraction form
    52,321.62/72,205.29 = 28,449.93/x
  3. Step 3: Cross multiply
    52,321.62x = 72,205.29 × 28,449.93
  4. Step 4: Simplify right side
    52,321.62x = 2,054,235,446.13
  5. Step 5: Solve for x
    x = 2,054,235,446.13/52,321.62
  6. Step 6: Final answer
    x = 39,261.69

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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.