Home / 75,021.52-112,499.46-35,589.88

Finding the Fourth Proportional to 75,021.52, 112,499.46 and 35,589.88

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Solution

The fourth proportional to 75,021.52, 112,499.46 and 35,589.88 is: 53,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,021.52 : 112,499.46 = 35,589.88 : x
  2. Step 2: Convert to fraction form
    75,021.52/112,499.46 = 35,589.88/x
  3. Step 3: Cross multiply
    75,021.52x = 112,499.46 × 35,589.88
  4. Step 4: Simplify right side
    75,021.52x = 4,003,842,281.46
  5. Step 5: Solve for x
    x = 4,003,842,281.46/75,021.52
  6. Step 6: Final answer
    x = 53,369.25

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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.