Home / 55,582.74-83,366.28-18,143.46

Finding the Fourth Proportional to 55,582.74, 83,366.28 and 18,143.46

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Solution

The fourth proportional to 55,582.74, 83,366.28 and 18,143.46 is: 27,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,582.74 : 83,366.28 = 18,143.46 : x
  2. Step 2: Convert to fraction form
    55,582.74/83,366.28 = 18,143.46/x
  3. Step 3: Cross multiply
    55,582.74x = 83,366.28 × 18,143.46
  4. Step 4: Simplify right side
    55,582.74x = 1,512,552,766.53
  5. Step 5: Solve for x
    x = 1,512,552,766.53/55,582.74
  6. Step 6: Final answer
    x = 27,212.63

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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.