Home / 69,049.80-103,631.40-35,780.04

Finding the Fourth Proportional to 69,049.80, 103,631.40 and 35,780.04

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Solution

The fourth proportional to 69,049.80, 103,631.40 and 35,780.04 is: 53,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,049.80 : 103,631.40 = 35,780.04 : x
  2. Step 2: Convert to fraction form
    69,049.80/103,631.40 = 35,780.04/x
  3. Step 3: Cross multiply
    69,049.80x = 103,631.40 × 35,780.04
  4. Step 4: Simplify right side
    69,049.80x = 3,707,935,637.26
  5. Step 5: Solve for x
    x = 3,707,935,637.26/69,049.80
  6. Step 6: Final answer
    x = 53,699.44

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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.