Home / 72,535.29-100,073.03-47,399.37

Finding the Fourth Proportional to 72,535.29, 100,073.03 and 47,399.37

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Solution

The fourth proportional to 72,535.29, 100,073.03 and 47,399.37 is: 65,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,535.29 : 100,073.03 = 47,399.37 : x
  2. Step 2: Convert to fraction form
    72,535.29/100,073.03 = 47,399.37/x
  3. Step 3: Cross multiply
    72,535.29x = 100,073.03 × 47,399.37
  4. Step 4: Simplify right side
    72,535.29x = 4,743,398,575.99
  5. Step 5: Solve for x
    x = 4,743,398,575.99/72,535.29
  6. Step 6: Final answer
    x = 65,394.36

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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.