Home / 69,020.37-103,488.71-45,022.59

Finding the Fourth Proportional to 69,020.37, 103,488.71 and 45,022.59

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Solution

The fourth proportional to 69,020.37, 103,488.71 and 45,022.59 is: 67,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,020.37 : 103,488.71 = 45,022.59 : x
  2. Step 2: Convert to fraction form
    69,020.37/103,488.71 = 45,022.59/x
  3. Step 3: Cross multiply
    69,020.37x = 103,488.71 × 45,022.59
  4. Step 4: Simplify right side
    69,020.37x = 4,659,329,534.85
  5. Step 5: Solve for x
    x = 4,659,329,534.85/69,020.37
  6. Step 6: Final answer
    x = 67,506.59

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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.