Home / 55,912.41-83,865.90-20,849.34

Finding the Fourth Proportional to 55,912.41, 83,865.90 and 20,849.34

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Solution

The fourth proportional to 55,912.41, 83,865.90 and 20,849.34 is: 31,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,912.41 : 83,865.90 = 20,849.34 : x
  2. Step 2: Convert to fraction form
    55,912.41/83,865.90 = 20,849.34/x
  3. Step 3: Cross multiply
    55,912.41x = 83,865.90 × 20,849.34
  4. Step 4: Simplify right side
    55,912.41x = 1,748,548,663.51
  5. Step 5: Solve for x
    x = 1,748,548,663.51/55,912.41
  6. Step 6: Final answer
    x = 31,273.00

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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.