Home / 55,053.10-75,973.98-31,179.34

Finding the Fourth Proportional to 55,053.10, 75,973.98 and 31,179.34

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Solution

The fourth proportional to 55,053.10, 75,973.98 and 31,179.34 is: 43,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.10 : 75,973.98 = 31,179.34 : x
  2. Step 2: Convert to fraction form
    55,053.10/75,973.98 = 31,179.34/x
  3. Step 3: Cross multiply
    55,053.10x = 75,973.98 × 31,179.34
  4. Step 4: Simplify right side
    55,053.10x = 2,368,818,553.57
  5. Step 5: Solve for x
    x = 2,368,818,553.57/55,053.10
  6. Step 6: Final answer
    x = 43,027.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.