Home / 78,386.26-108,180.21-44,396.11

Finding the Fourth Proportional to 78,386.26, 108,180.21 and 44,396.11

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Solution

The fourth proportional to 78,386.26, 108,180.21 and 44,396.11 is: 61,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,386.26 : 108,180.21 = 44,396.11 : x
  2. Step 2: Convert to fraction form
    78,386.26/108,180.21 = 44,396.11/x
  3. Step 3: Cross multiply
    78,386.26x = 108,180.21 × 44,396.11
  4. Step 4: Simplify right side
    78,386.26x = 4,802,780,502.98
  5. Step 5: Solve for x
    x = 4,802,780,502.98/78,386.26
  6. Step 6: Final answer
    x = 61,270.69

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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.