Home / 75,245.28-103,811.40-52,620.36

Finding the Fourth Proportional to 75,245.28, 103,811.40 and 52,620.36

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Solution

The fourth proportional to 75,245.28, 103,811.40 and 52,620.36 is: 72,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,245.28 : 103,811.40 = 52,620.36 : x
  2. Step 2: Convert to fraction form
    75,245.28/103,811.40 = 52,620.36/x
  3. Step 3: Cross multiply
    75,245.28x = 103,811.40 × 52,620.36
  4. Step 4: Simplify right side
    75,245.28x = 5,462,593,240.10
  5. Step 5: Solve for x
    x = 5,462,593,240.10/75,245.28
  6. Step 6: Final answer
    x = 72,597.15

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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.