Home / 69,973.29-104,887.04-30,519.81

Finding the Fourth Proportional to 69,973.29, 104,887.04 and 30,519.81

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Solution

The fourth proportional to 69,973.29, 104,887.04 and 30,519.81 is: 45,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.29 : 104,887.04 = 30,519.81 : x
  2. Step 2: Convert to fraction form
    69,973.29/104,887.04 = 30,519.81/x
  3. Step 3: Cross multiply
    69,973.29x = 104,887.04 × 30,519.81
  4. Step 4: Simplify right side
    69,973.29x = 3,201,132,379.66
  5. Step 5: Solve for x
    x = 3,201,132,379.66/69,973.29
  6. Step 6: Final answer
    x = 45,747.92

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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.