Home / 75,581.30-113,339.12-22,978.49

Finding the Fourth Proportional to 75,581.30, 113,339.12 and 22,978.49

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Solution

The fourth proportional to 75,581.30, 113,339.12 and 22,978.49 is: 34,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,581.30 : 113,339.12 = 22,978.49 : x
  2. Step 2: Convert to fraction form
    75,581.30/113,339.12 = 22,978.49/x
  3. Step 3: Cross multiply
    75,581.30x = 113,339.12 × 22,978.49
  4. Step 4: Simplify right side
    75,581.30x = 2,604,361,153.94
  5. Step 5: Solve for x
    x = 2,604,361,153.94/75,581.30
  6. Step 6: Final answer
    x = 34,457.74

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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.