Home / 71,542.13-98,737.25-43,247.81

Finding the Fourth Proportional to 71,542.13, 98,737.25 and 43,247.81

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Solution

The fourth proportional to 71,542.13, 98,737.25 and 43,247.81 is: 59,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542.13 : 98,737.25 = 43,247.81 : x
  2. Step 2: Convert to fraction form
    71,542.13/98,737.25 = 43,247.81/x
  3. Step 3: Cross multiply
    71,542.13x = 98,737.25 × 43,247.81
  4. Step 4: Simplify right side
    71,542.13x = 4,270,169,858.53
  5. Step 5: Solve for x
    x = 4,270,169,858.53/71,542.13
  6. Step 6: Final answer
    x = 59,687.49

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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.