Home / 50,696.08-69,943.26-30,545.38

Finding the Fourth Proportional to 50,696.08, 69,943.26 and 30,545.38

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Solution

The fourth proportional to 50,696.08, 69,943.26 and 30,545.38 is: 42,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,696.08 : 69,943.26 = 30,545.38 : x
  2. Step 2: Convert to fraction form
    50,696.08/69,943.26 = 30,545.38/x
  3. Step 3: Cross multiply
    50,696.08x = 69,943.26 × 30,545.38
  4. Step 4: Simplify right side
    50,696.08x = 2,136,443,455.14
  5. Step 5: Solve for x
    x = 2,136,443,455.14/50,696.08
  6. Step 6: Final answer
    x = 42,142.18

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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.