Home / 69,729.08-104,593.62-28,205.24

Finding the Fourth Proportional to 69,729.08, 104,593.62 and 28,205.24

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Solution

The fourth proportional to 69,729.08, 104,593.62 and 28,205.24 is: 42,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,729.08 : 104,593.62 = 28,205.24 : x
  2. Step 2: Convert to fraction form
    69,729.08/104,593.62 = 28,205.24/x
  3. Step 3: Cross multiply
    69,729.08x = 104,593.62 × 28,205.24
  4. Step 4: Simplify right side
    69,729.08x = 2,950,088,154.57
  5. Step 5: Solve for x
    x = 2,950,088,154.57/69,729.08
  6. Step 6: Final answer
    x = 42,307.86

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1.5x scale

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.