Home / 78,041.26-116,959.83-31,326.94

Finding the Fourth Proportional to 78,041.26, 116,959.83 and 31,326.94

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Solution

The fourth proportional to 78,041.26, 116,959.83 and 31,326.94 is: 46,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,041.26 : 116,959.83 = 31,326.94 : x
  2. Step 2: Convert to fraction form
    78,041.26/116,959.83 = 31,326.94/x
  3. Step 3: Cross multiply
    78,041.26x = 116,959.83 × 31,326.94
  4. Step 4: Simplify right side
    78,041.26x = 3,663,993,576.82
  5. Step 5: Solve for x
    x = 3,663,993,576.82/78,041.26
  6. Step 6: Final answer
    x = 46,949.44

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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.