Home / 55,415.30-83,123.19-15,973.22

Finding the Fourth Proportional to 55,415.30, 83,123.19 and 15,973.22

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Solution

The fourth proportional to 55,415.30, 83,123.19 and 15,973.22 is: 23,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.30 : 83,123.19 = 15,973.22 : x
  2. Step 2: Convert to fraction form
    55,415.30/83,123.19 = 15,973.22/x
  3. Step 3: Cross multiply
    55,415.30x = 83,123.19 × 15,973.22
  4. Step 4: Simplify right side
    55,415.30x = 1,327,745,000.97
  5. Step 5: Solve for x
    x = 1,327,745,000.97/55,415.30
  6. Step 6: Final answer
    x = 23,959.90

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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.