Home / 79,257.26-118,688.67-55,453.46

Finding the Fourth Proportional to 79,257.26, 118,688.67 and 55,453.46

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Solution

The fourth proportional to 79,257.26, 118,688.67 and 55,453.46 is: 83,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,257.26 : 118,688.67 = 55,453.46 : x
  2. Step 2: Convert to fraction form
    79,257.26/118,688.67 = 55,453.46/x
  3. Step 3: Cross multiply
    79,257.26x = 118,688.67 × 55,453.46
  4. Step 4: Simplify right side
    79,257.26x = 6,581,696,820.85
  5. Step 5: Solve for x
    x = 6,581,696,820.85/79,257.26
  6. Step 6: Final answer
    x = 83,042.19

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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.