Home / 50,580.23-69,728.15-39,806.42

Finding the Fourth Proportional to 50,580.23, 69,728.15 and 39,806.42

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Solution

The fourth proportional to 50,580.23, 69,728.15 and 39,806.42 is: 54,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,580.23 : 69,728.15 = 39,806.42 : x
  2. Step 2: Convert to fraction form
    50,580.23/69,728.15 = 39,806.42/x
  3. Step 3: Cross multiply
    50,580.23x = 69,728.15 × 39,806.42
  4. Step 4: Simplify right side
    50,580.23x = 2,775,627,477.05
  5. Step 5: Solve for x
    x = 2,775,627,477.05/50,580.23
  6. Step 6: Final answer
    x = 54,875.74

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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.