Home / 75,289.27-103,899.72-41,298.01

Finding the Fourth Proportional to 75,289.27, 103,899.72 and 41,298.01

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Solution

The fourth proportional to 75,289.27, 103,899.72 and 41,298.01 is: 56,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,289.27 : 103,899.72 = 41,298.01 : x
  2. Step 2: Convert to fraction form
    75,289.27/103,899.72 = 41,298.01/x
  3. Step 3: Cross multiply
    75,289.27x = 103,899.72 × 41,298.01
  4. Step 4: Simplify right side
    75,289.27x = 4,290,850,949.57
  5. Step 5: Solve for x
    x = 4,290,850,949.57/75,289.27
  6. Step 6: Final answer
    x = 56,991.54

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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.