Home / 79,947.54-110,342.05-47,684.23

Finding the Fourth Proportional to 79,947.54, 110,342.05 and 47,684.23

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Solution

The fourth proportional to 79,947.54, 110,342.05 and 47,684.23 is: 65,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,947.54 : 110,342.05 = 47,684.23 : x
  2. Step 2: Convert to fraction form
    79,947.54/110,342.05 = 47,684.23/x
  3. Step 3: Cross multiply
    79,947.54x = 110,342.05 × 47,684.23
  4. Step 4: Simplify right side
    79,947.54x = 5,261,575,295.81
  5. Step 5: Solve for x
    x = 5,261,575,295.81/79,947.54
  6. Step 6: Final answer
    x = 65,812.85

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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.