Home / 53,414.08-80,169.52-28,475.04

Finding the Fourth Proportional to 53,414.08, 80,169.52 and 28,475.04

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Solution

The fourth proportional to 53,414.08, 80,169.52 and 28,475.04 is: 42,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,414.08 : 80,169.52 = 28,475.04 : x
  2. Step 2: Convert to fraction form
    53,414.08/80,169.52 = 28,475.04/x
  3. Step 3: Cross multiply
    53,414.08x = 80,169.52 × 28,475.04
  4. Step 4: Simplify right side
    53,414.08x = 2,282,830,288.78
  5. Step 5: Solve for x
    x = 2,282,830,288.78/53,414.08
  6. Step 6: Final answer
    x = 42,738.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.