Home / 109,871.63-151,626.05-62,123.96

Finding the Fourth Proportional to 109,871.63, 151,626.05 and 62,123.96

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Solution

The fourth proportional to 109,871.63, 151,626.05 and 62,123.96 is: 85,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,871.63 : 151,626.05 = 62,123.96 : x
  2. Step 2: Convert to fraction form
    109,871.63/151,626.05 = 62,123.96/x
  3. Step 3: Cross multiply
    109,871.63x = 151,626.05 × 62,123.96
  4. Step 4: Simplify right side
    109,871.63x = 9,419,609,596.41
  5. Step 5: Solve for x
    x = 9,419,609,596.41/109,871.63
  6. Step 6: Final answer
    x = 85,732.87

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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.