Home / 53,810.16-80,702.90-15,849.61

Finding the Fourth Proportional to 53,810.16, 80,702.90 and 15,849.61

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Solution

The fourth proportional to 53,810.16, 80,702.90 and 15,849.61 is: 23,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,810.16 : 80,702.90 = 15,849.61 : x
  2. Step 2: Convert to fraction form
    53,810.16/80,702.90 = 15,849.61/x
  3. Step 3: Cross multiply
    53,810.16x = 80,702.90 × 15,849.61
  4. Step 4: Simplify right side
    53,810.16x = 1,279,109,269.30
  5. Step 5: Solve for x
    x = 1,279,109,269.30/53,810.16
  6. Step 6: Final answer
    x = 23,770.78

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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.