Home / 53,864.73-80,760.65-18,785.25

Finding the Fourth Proportional to 53,864.73, 80,760.65 and 18,785.25

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Solution

The fourth proportional to 53,864.73, 80,760.65 and 18,785.25 is: 28,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,864.73 : 80,760.65 = 18,785.25 : x
  2. Step 2: Convert to fraction form
    53,864.73/80,760.65 = 18,785.25/x
  3. Step 3: Cross multiply
    53,864.73x = 80,760.65 × 18,785.25
  4. Step 4: Simplify right side
    53,864.73x = 1,517,108,906.49
  5. Step 5: Solve for x
    x = 1,517,108,906.49/53,864.73
  6. Step 6: Final answer
    x = 28,165.16

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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.