Home / 59,910.47-89,850.30-17,780.57

Finding the Fourth Proportional to 59,910.47, 89,850.30 and 17,780.57

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Solution

The fourth proportional to 59,910.47, 89,850.30 and 17,780.57 is: 26,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,910.47 : 89,850.30 = 17,780.57 : x
  2. Step 2: Convert to fraction form
    59,910.47/89,850.30 = 17,780.57/x
  3. Step 3: Cross multiply
    59,910.47x = 89,850.30 × 17,780.57
  4. Step 4: Simplify right side
    59,910.47x = 1,597,589,706.62
  5. Step 5: Solve for x
    x = 1,597,589,706.62/59,910.47
  6. Step 6: Final answer
    x = 26,666.28

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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.