Home / 75,268.25-103,873.55-45,047.82

Finding the Fourth Proportional to 75,268.25, 103,873.55 and 45,047.82

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Solution

The fourth proportional to 75,268.25, 103,873.55 and 45,047.82 is: 62,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,268.25 : 103,873.55 = 45,047.82 : x
  2. Step 2: Convert to fraction form
    75,268.25/103,873.55 = 45,047.82/x
  3. Step 3: Cross multiply
    75,268.25x = 103,873.55 × 45,047.82
  4. Step 4: Simplify right side
    75,268.25x = 4,679,276,757.92
  5. Step 5: Solve for x
    x = 4,679,276,757.92/75,268.25
  6. Step 6: Final answer
    x = 62,168.01

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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.