Home / 50,143.65-69,205.17-28,922.46

Finding the Fourth Proportional to 50,143.65, 69,205.17 and 28,922.46

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Solution

The fourth proportional to 50,143.65, 69,205.17 and 28,922.46 is: 39,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,143.65 : 69,205.17 = 28,922.46 : x
  2. Step 2: Convert to fraction form
    50,143.65/69,205.17 = 28,922.46/x
  3. Step 3: Cross multiply
    50,143.65x = 69,205.17 × 28,922.46
  4. Step 4: Simplify right side
    50,143.65x = 2,001,583,761.12
  5. Step 5: Solve for x
    x = 2,001,583,761.12/50,143.65
  6. Step 6: Final answer
    x = 39,916.99

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1.5x scale

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.