Home / 79,717.06-110,005.40-49,501.74

Finding the Fourth Proportional to 79,717.06, 110,005.40 and 49,501.74

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Solution

The fourth proportional to 79,717.06, 110,005.40 and 49,501.74 is: 68,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717.06 : 110,005.40 = 49,501.74 : x
  2. Step 2: Convert to fraction form
    79,717.06/110,005.40 = 49,501.74/x
  3. Step 3: Cross multiply
    79,717.06x = 110,005.40 × 49,501.74
  4. Step 4: Simplify right side
    79,717.06x = 5,445,458,348.44
  5. Step 5: Solve for x
    x = 5,445,458,348.44/79,717.06
  6. Step 6: Final answer
    x = 68,309.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.