Home / 75,491.94-113,147.19-53,272.02

Finding the Fourth Proportional to 75,491.94, 113,147.19 and 53,272.02

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Solution

The fourth proportional to 75,491.94, 113,147.19 and 53,272.02 is: 79,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,491.94 : 113,147.19 = 53,272.02 : x
  2. Step 2: Convert to fraction form
    75,491.94/113,147.19 = 53,272.02/x
  3. Step 3: Cross multiply
    75,491.94x = 113,147.19 × 53,272.02
  4. Step 4: Simplify right side
    75,491.94x = 6,027,579,368.62
  5. Step 5: Solve for x
    x = 6,027,579,368.62/75,491.94
  6. Step 6: Final answer
    x = 79,844.01

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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.