Home / 122,085.24-182,799.75-77,470.44

Finding the Fourth Proportional to 122,085.24, 182,799.75 and 77,470.44

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Solution

The fourth proportional to 122,085.24, 182,799.75 and 77,470.44 is: 115,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,085.24 : 182,799.75 = 77,470.44 : x
  2. Step 2: Convert to fraction form
    122,085.24/182,799.75 = 77,470.44/x
  3. Step 3: Cross multiply
    122,085.24x = 182,799.75 × 77,470.44
  4. Step 4: Simplify right side
    122,085.24x = 14,161,577,064.39
  5. Step 5: Solve for x
    x = 14,161,577,064.39/122,085.24
  6. Step 6: Final answer
    x = 115,997.45

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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.