Home / 53,781.15-80,680.96-16,345.01

Finding the Fourth Proportional to 53,781.15, 80,680.96 and 16,345.01

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Solution

The fourth proportional to 53,781.15, 80,680.96 and 16,345.01 is: 24,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.15 : 80,680.96 = 16,345.01 : x
  2. Step 2: Convert to fraction form
    53,781.15/80,680.96 = 16,345.01/x
  3. Step 3: Cross multiply
    53,781.15x = 80,680.96 × 16,345.01
  4. Step 4: Simplify right side
    53,781.15x = 1,318,731,098.01
  5. Step 5: Solve for x
    x = 1,318,731,098.01/53,781.15
  6. Step 6: Final answer
    x = 24,520.32

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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.