Home / 122,637.24-183,876.89-51,605.91

Finding the Fourth Proportional to 122,637.24, 183,876.89 and 51,605.91

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Solution

The fourth proportional to 122,637.24, 183,876.89 and 51,605.91 is: 77,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,637.24 : 183,876.89 = 51,605.91 : x
  2. Step 2: Convert to fraction form
    122,637.24/183,876.89 = 51,605.91/x
  3. Step 3: Cross multiply
    122,637.24x = 183,876.89 × 51,605.91
  4. Step 4: Simplify right side
    122,637.24x = 9,489,133,978.39
  5. Step 5: Solve for x
    x = 9,489,133,978.39/122,637.24
  6. Step 6: Final answer
    x = 77,375.63

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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.