Home / 75,509.06-113,263.95-22,919

Finding the Fourth Proportional to 75,509.06, 113,263.95 and 22,919

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Solution

The fourth proportional to 75,509.06, 113,263.95 and 22,919 is: 34,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,509.06 : 113,263.95 = 22,919 : x
  2. Step 2: Convert to fraction form
    75,509.06/113,263.95 = 22,919/x
  3. Step 3: Cross multiply
    75,509.06x = 113,263.95 × 22,919
  4. Step 4: Simplify right side
    75,509.06x = 2,595,896,470.05
  5. Step 5: Solve for x
    x = 2,595,896,470.05/75,509.06
  6. Step 6: Final answer
    x = 34,378.61

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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.