Home / 52,095.12-71,890.92-28,221.24

Finding the Fourth Proportional to 52,095.12, 71,890.92 and 28,221.24

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Solution

The fourth proportional to 52,095.12, 71,890.92 and 28,221.24 is: 38,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,095.12 : 71,890.92 = 28,221.24 : x
  2. Step 2: Convert to fraction form
    52,095.12/71,890.92 = 28,221.24/x
  3. Step 3: Cross multiply
    52,095.12x = 71,890.92 × 28,221.24
  4. Step 4: Simplify right side
    52,095.12x = 2,028,850,907.14
  5. Step 5: Solve for x
    x = 2,028,850,907.14/52,095.12
  6. Step 6: Final answer
    x = 38,945.12

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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.