Home / 51,264.87-76,897.77-17,985.70

Finding the Fourth Proportional to 51,264.87, 76,897.77 and 17,985.70

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Solution

The fourth proportional to 51,264.87, 76,897.77 and 17,985.70 is: 26,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,264.87 : 76,897.77 = 17,985.70 : x
  2. Step 2: Convert to fraction form
    51,264.87/76,897.77 = 17,985.70/x
  3. Step 3: Cross multiply
    51,264.87x = 76,897.77 × 17,985.70
  4. Step 4: Simplify right side
    51,264.87x = 1,383,060,221.89
  5. Step 5: Solve for x
    x = 1,383,060,221.89/51,264.87
  6. Step 6: Final answer
    x = 26,978.71

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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.