Home / 50,695.08-69,941.88-30,544.36

Finding the Fourth Proportional to 50,695.08, 69,941.88 and 30,544.36

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Solution

The fourth proportional to 50,695.08, 69,941.88 and 30,544.36 is: 42,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,695.08 : 69,941.88 = 30,544.36 : x
  2. Step 2: Convert to fraction form
    50,695.08/69,941.88 = 30,544.36/x
  3. Step 3: Cross multiply
    50,695.08x = 69,941.88 × 30,544.36
  4. Step 4: Simplify right side
    50,695.08x = 2,136,329,961.80
  5. Step 5: Solve for x
    x = 2,136,329,961.80/50,695.08
  6. Step 6: Final answer
    x = 42,140.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.