Home / 49,518.12-68,334-28,007.46

Finding the Fourth Proportional to 49,518.12, 68,334 and 28,007.46

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Solution

The fourth proportional to 49,518.12, 68,334 and 28,007.46 is: 38,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,518.12 : 68,334 = 28,007.46 : x
  2. Step 2: Convert to fraction form
    49,518.12/68,334 = 28,007.46/x
  3. Step 3: Cross multiply
    49,518.12x = 68,334 × 28,007.46
  4. Step 4: Simplify right side
    49,518.12x = 1,913,861,771.64
  5. Step 5: Solve for x
    x = 1,913,861,771.64/49,518.12
  6. Step 6: Final answer
    x = 38,649.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.