Home / 78,324.33-117,529.04-33,338.35

Finding the Fourth Proportional to 78,324.33, 117,529.04 and 33,338.35

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Solution

The fourth proportional to 78,324.33, 117,529.04 and 33,338.35 is: 50,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,324.33 : 117,529.04 = 33,338.35 : x
  2. Step 2: Convert to fraction form
    78,324.33/117,529.04 = 33,338.35/x
  3. Step 3: Cross multiply
    78,324.33x = 117,529.04 × 33,338.35
  4. Step 4: Simplify right side
    78,324.33x = 3,918,223,810.17
  5. Step 5: Solve for x
    x = 3,918,223,810.17/78,324.33
  6. Step 6: Final answer
    x = 50,025.63

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1.5x scale

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.