Home / 55,906.64-83,868.46-18,470.66

Finding the Fourth Proportional to 55,906.64, 83,868.46 and 18,470.66

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Solution

The fourth proportional to 55,906.64, 83,868.46 and 18,470.66 is: 27,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,906.64 : 83,868.46 = 18,470.66 : x
  2. Step 2: Convert to fraction form
    55,906.64/83,868.46 = 18,470.66/x
  3. Step 3: Cross multiply
    55,906.64x = 83,868.46 × 18,470.66
  4. Step 4: Simplify right side
    55,906.64x = 1,549,105,809.38
  5. Step 5: Solve for x
    x = 1,549,105,809.38/55,906.64
  6. Step 6: Final answer
    x = 27,708.80

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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.