Home / 63,640.35-95,465.31-19,270.68

Finding the Fourth Proportional to 63,640.35, 95,465.31 and 19,270.68

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Solution

The fourth proportional to 63,640.35, 95,465.31 and 19,270.68 is: 28,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.35 : 95,465.31 = 19,270.68 : x
  2. Step 2: Convert to fraction form
    63,640.35/95,465.31 = 19,270.68/x
  3. Step 3: Cross multiply
    63,640.35x = 95,465.31 × 19,270.68
  4. Step 4: Simplify right side
    63,640.35x = 1,839,681,082.12
  5. Step 5: Solve for x
    x = 1,839,681,082.12/63,640.35
  6. Step 6: Final answer
    x = 28,907.46

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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.