Home / 45,840.39-68,780.19-19,192.61

Finding the Fourth Proportional to 45,840.39, 68,780.19 and 19,192.61

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Solution

The fourth proportional to 45,840.39, 68,780.19 and 19,192.61 is: 28,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,840.39 : 68,780.19 = 19,192.61 : x
  2. Step 2: Convert to fraction form
    45,840.39/68,780.19 = 19,192.61/x
  3. Step 3: Cross multiply
    45,840.39x = 68,780.19 × 19,192.61
  4. Step 4: Simplify right side
    45,840.39x = 1,320,071,018.49
  5. Step 5: Solve for x
    x = 1,320,071,018.49/45,840.39
  6. Step 6: Final answer
    x = 28,797.12

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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.