Home / 42,207.87-63,288.43-17,265.43

Finding the Fourth Proportional to 42,207.87, 63,288.43 and 17,265.43

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Solution

The fourth proportional to 42,207.87, 63,288.43 and 17,265.43 is: 25,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207.87 : 63,288.43 = 17,265.43 : x
  2. Step 2: Convert to fraction form
    42,207.87/63,288.43 = 17,265.43/x
  3. Step 3: Cross multiply
    42,207.87x = 63,288.43 × 17,265.43
  4. Step 4: Simplify right side
    42,207.87x = 1,092,701,957.97
  5. Step 5: Solve for x
    x = 1,092,701,957.97/42,207.87
  6. Step 6: Final answer
    x = 25,888.58

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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.