Home / 69,127.67-103,690.83-31,677.12

Finding the Fourth Proportional to 69,127.67, 103,690.83 and 31,677.12

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Solution

The fourth proportional to 69,127.67, 103,690.83 and 31,677.12 is: 47,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,127.67 : 103,690.83 = 31,677.12 : x
  2. Step 2: Convert to fraction form
    69,127.67/103,690.83 = 31,677.12/x
  3. Step 3: Cross multiply
    69,127.67x = 103,690.83 × 31,677.12
  4. Step 4: Simplify right side
    69,127.67x = 3,284,626,864.81
  5. Step 5: Solve for x
    x = 3,284,626,864.81/69,127.67
  6. Step 6: Final answer
    x = 47,515.37

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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.