Home / 75,799.69-113,650.92-31,457.05

Finding the Fourth Proportional to 75,799.69, 113,650.92 and 31,457.05

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Solution

The fourth proportional to 75,799.69, 113,650.92 and 31,457.05 is: 47,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,799.69 : 113,650.92 = 31,457.05 : x
  2. Step 2: Convert to fraction form
    75,799.69/113,650.92 = 31,457.05/x
  3. Step 3: Cross multiply
    75,799.69x = 113,650.92 × 31,457.05
  4. Step 4: Simplify right side
    75,799.69x = 3,575,122,388.86
  5. Step 5: Solve for x
    x = 3,575,122,388.86/75,799.69
  6. Step 6: Final answer
    x = 47,165.40

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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.