Home / 50,111.07-75,166.56-20,528.97

Finding the Fourth Proportional to 50,111.07, 75,166.56 and 20,528.97

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Solution

The fourth proportional to 50,111.07, 75,166.56 and 20,528.97 is: 30,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,111.07 : 75,166.56 = 20,528.97 : x
  2. Step 2: Convert to fraction form
    50,111.07/75,166.56 = 20,528.97/x
  3. Step 3: Cross multiply
    50,111.07x = 75,166.56 × 20,528.97
  4. Step 4: Simplify right side
    50,111.07x = 1,543,092,055.24
  5. Step 5: Solve for x
    x = 1,543,092,055.24/50,111.07
  6. Step 6: Final answer
    x = 30,793.44

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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.