Home / 102,912.82-142,026.33-57,594.94

Finding the Fourth Proportional to 102,912.82, 142,026.33 and 57,594.94

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Solution

The fourth proportional to 102,912.82, 142,026.33 and 57,594.94 is: 79,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,912.82 : 142,026.33 = 57,594.94 : x
  2. Step 2: Convert to fraction form
    102,912.82/142,026.33 = 57,594.94/x
  3. Step 3: Cross multiply
    102,912.82x = 142,026.33 × 57,594.94
  4. Step 4: Simplify right side
    102,912.82x = 8,179,997,954.77
  5. Step 5: Solve for x
    x = 8,179,997,954.77/102,912.82
  6. Step 6: Final answer
    x = 79,484.73

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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.