Home / 69,457.13-95,850.11-39,243.86

Finding the Fourth Proportional to 69,457.13, 95,850.11 and 39,243.86

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Solution

The fourth proportional to 69,457.13, 95,850.11 and 39,243.86 is: 54,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,457.13 : 95,850.11 = 39,243.86 : x
  2. Step 2: Convert to fraction form
    69,457.13/95,850.11 = 39,243.86/x
  3. Step 3: Cross multiply
    69,457.13x = 95,850.11 × 39,243.86
  4. Step 4: Simplify right side
    69,457.13x = 3,761,528,101.61
  5. Step 5: Solve for x
    x = 3,761,528,101.61/69,457.13
  6. Step 6: Final answer
    x = 54,156.11

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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.