Home / 82,869.48-124,193.25-45,372.96

Finding the Fourth Proportional to 82,869.48, 124,193.25 and 45,372.96

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Solution

The fourth proportional to 82,869.48, 124,193.25 and 45,372.96 is: 67,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.48 : 124,193.25 = 45,372.96 : x
  2. Step 2: Convert to fraction form
    82,869.48/124,193.25 = 45,372.96/x
  3. Step 3: Cross multiply
    82,869.48x = 124,193.25 × 45,372.96
  4. Step 4: Simplify right side
    82,869.48x = 5,635,015,364.52
  5. Step 5: Solve for x
    x = 5,635,015,364.52/82,869.48
  6. Step 6: Final answer
    x = 67,998.68

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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.