Home / 107,498.10-161,203.41-48,317.88

Finding the Fourth Proportional to 107,498.10, 161,203.41 and 48,317.88

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Solution

The fourth proportional to 107,498.10, 161,203.41 and 48,317.88 is: 72,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,498.10 : 161,203.41 = 48,317.88 : x
  2. Step 2: Convert to fraction form
    107,498.10/161,203.41 = 48,317.88/x
  3. Step 3: Cross multiply
    107,498.10x = 161,203.41 × 48,317.88
  4. Step 4: Simplify right side
    107,498.10x = 7,789,007,019.97
  5. Step 5: Solve for x
    x = 7,789,007,019.97/107,498.10
  6. Step 6: Final answer
    x = 72,457.16

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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.