Home / 49,498.43-68,346.99-45,720.05

Finding the Fourth Proportional to 49,498.43, 68,346.99 and 45,720.05

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Solution

The fourth proportional to 49,498.43, 68,346.99 and 45,720.05 is: 63,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,498.43 : 68,346.99 = 45,720.05 : x
  2. Step 2: Convert to fraction form
    49,498.43/68,346.99 = 45,720.05/x
  3. Step 3: Cross multiply
    49,498.43x = 68,346.99 × 45,720.05
  4. Step 4: Simplify right side
    49,498.43x = 3,124,827,458.41
  5. Step 5: Solve for x
    x = 3,124,827,458.41/49,498.43
  6. Step 6: Final answer
    x = 63,129.84

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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.