Home / 79,991.34-110,348.07-47,703.18

Finding the Fourth Proportional to 79,991.34, 110,348.07 and 47,703.18

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Solution

The fourth proportional to 79,991.34, 110,348.07 and 47,703.18 is: 65,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,991.34 : 110,348.07 = 47,703.18 : x
  2. Step 2: Convert to fraction form
    79,991.34/110,348.07 = 47,703.18/x
  3. Step 3: Cross multiply
    79,991.34x = 110,348.07 × 47,703.18
  4. Step 4: Simplify right side
    79,991.34x = 5,263,953,845.86
  5. Step 5: Solve for x
    x = 5,263,953,845.86/79,991.34
  6. Step 6: Final answer
    x = 65,806.55

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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.