Home / 75,877.96-113,835.40-25,276.86

Finding the Fourth Proportional to 75,877.96, 113,835.40 and 25,276.86

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Solution

The fourth proportional to 75,877.96, 113,835.40 and 25,276.86 is: 37,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,877.96 : 113,835.40 = 25,276.86 : x
  2. Step 2: Convert to fraction form
    75,877.96/113,835.40 = 25,276.86/x
  3. Step 3: Cross multiply
    75,877.96x = 113,835.40 × 25,276.86
  4. Step 4: Simplify right side
    75,877.96x = 2,877,401,468.84
  5. Step 5: Solve for x
    x = 2,877,401,468.84/75,877.96
  6. Step 6: Final answer
    x = 37,921.44

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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.