Home / 69,283.14-103,857.88-31,868.84

Finding the Fourth Proportional to 69,283.14, 103,857.88 and 31,868.84

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Solution

The fourth proportional to 69,283.14, 103,857.88 and 31,868.84 is: 47,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,283.14 : 103,857.88 = 31,868.84 : x
  2. Step 2: Convert to fraction form
    69,283.14/103,857.88 = 31,868.84/x
  3. Step 3: Cross multiply
    69,283.14x = 103,857.88 × 31,868.84
  4. Step 4: Simplify right side
    69,283.14x = 3,309,830,160.46
  5. Step 5: Solve for x
    x = 3,309,830,160.46/69,283.14
  6. Step 6: Final answer
    x = 47,772.52

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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.