Home / 51,605.90-77,385.83-17,875.07

Finding the Fourth Proportional to 51,605.90, 77,385.83 and 17,875.07

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Solution

The fourth proportional to 51,605.90, 77,385.83 and 17,875.07 is: 26,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,605.90 : 77,385.83 = 17,875.07 : x
  2. Step 2: Convert to fraction form
    51,605.90/77,385.83 = 17,875.07/x
  3. Step 3: Cross multiply
    51,605.90x = 77,385.83 × 17,875.07
  4. Step 4: Simplify right side
    51,605.90x = 1,383,277,042.70
  5. Step 5: Solve for x
    x = 1,383,277,042.70/51,605.90
  6. Step 6: Final answer
    x = 26,804.63

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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.