Home / 78,299.08-117,466.56-33,933.28

Finding the Fourth Proportional to 78,299.08, 117,466.56 and 33,933.28

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Solution

The fourth proportional to 78,299.08, 117,466.56 and 33,933.28 is: 50,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,299.08 : 117,466.56 = 33,933.28 : x
  2. Step 2: Convert to fraction form
    78,299.08/117,466.56 = 33,933.28/x
  3. Step 3: Cross multiply
    78,299.08x = 117,466.56 × 33,933.28
  4. Step 4: Simplify right side
    78,299.08x = 3,986,025,671.12
  5. Step 5: Solve for x
    x = 3,986,025,671.12/78,299.08
  6. Step 6: Final answer
    x = 50,907.69

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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.