Home / 79,632.13-109,886.67-47,364.97

Finding the Fourth Proportional to 79,632.13, 109,886.67 and 47,364.97

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Solution

The fourth proportional to 79,632.13, 109,886.67 and 47,364.97 is: 65,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,632.13 : 109,886.67 = 47,364.97 : x
  2. Step 2: Convert to fraction form
    79,632.13/109,886.67 = 47,364.97/x
  3. Step 3: Cross multiply
    79,632.13x = 109,886.67 × 47,364.97
  4. Step 4: Simplify right side
    79,632.13x = 5,204,778,553.23
  5. Step 5: Solve for x
    x = 5,204,778,553.23/79,632.13
  6. Step 6: Final answer
    x = 65,360.29

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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.