Home / 97,869.90-135,058.17-57,586.27

Finding the Fourth Proportional to 97,869.90, 135,058.17 and 57,586.27

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Solution

The fourth proportional to 97,869.90, 135,058.17 and 57,586.27 is: 79,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,869.90 : 135,058.17 = 57,586.27 : x
  2. Step 2: Convert to fraction form
    97,869.90/135,058.17 = 57,586.27/x
  3. Step 3: Cross multiply
    97,869.90x = 135,058.17 × 57,586.27
  4. Step 4: Simplify right side
    97,869.90x = 7,777,496,620.72
  5. Step 5: Solve for x
    x = 7,777,496,620.72/97,869.90
  6. Step 6: Final answer
    x = 79,467.71

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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.