Home / 75,333.44-103,959.72-43,505.12

Finding the Fourth Proportional to 75,333.44, 103,959.72 and 43,505.12

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Solution

The fourth proportional to 75,333.44, 103,959.72 and 43,505.12 is: 60,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,333.44 : 103,959.72 = 43,505.12 : x
  2. Step 2: Convert to fraction form
    75,333.44/103,959.72 = 43,505.12/x
  3. Step 3: Cross multiply
    75,333.44x = 103,959.72 × 43,505.12
  4. Step 4: Simplify right side
    75,333.44x = 4,522,780,093.77
  5. Step 5: Solve for x
    x = 4,522,780,093.77/75,333.44
  6. Step 6: Final answer
    x = 60,036.82

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1.5x scale

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.