Home / 52,450.68-78,665.08-19,186.44

Finding the Fourth Proportional to 52,450.68, 78,665.08 and 19,186.44

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Solution

The fourth proportional to 52,450.68, 78,665.08 and 19,186.44 is: 28,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.68 : 78,665.08 = 19,186.44 : x
  2. Step 2: Convert to fraction form
    52,450.68/78,665.08 = 19,186.44/x
  3. Step 3: Cross multiply
    52,450.68x = 78,665.08 × 19,186.44
  4. Step 4: Simplify right side
    52,450.68x = 1,509,302,837.52
  5. Step 5: Solve for x
    x = 1,509,302,837.52/52,450.68
  6. Step 6: Final answer
    x = 28,775.66

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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.