Home / 55,912.43-83,876.93-18,476.46

Finding the Fourth Proportional to 55,912.43, 83,876.93 and 18,476.46

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Solution

The fourth proportional to 55,912.43, 83,876.93 and 18,476.46 is: 27,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,912.43 : 83,876.93 = 18,476.46 : x
  2. Step 2: Convert to fraction form
    55,912.43/83,876.93 = 18,476.46/x
  3. Step 3: Cross multiply
    55,912.43x = 83,876.93 × 18,476.46
  4. Step 4: Simplify right side
    55,912.43x = 1,549,748,649.69
  5. Step 5: Solve for x
    x = 1,549,748,649.69/55,912.43
  6. Step 6: Final answer
    x = 27,717.43

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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.