Home / 108,245.57-162,401.15-49,065.35

Finding the Fourth Proportional to 108,245.57, 162,401.15 and 49,065.35

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Solution

The fourth proportional to 108,245.57, 162,401.15 and 49,065.35 is: 73,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,245.57 : 162,401.15 = 49,065.35 : x
  2. Step 2: Convert to fraction form
    108,245.57/162,401.15 = 49,065.35/x
  3. Step 3: Cross multiply
    108,245.57x = 162,401.15 × 49,065.35
  4. Step 4: Simplify right side
    108,245.57x = 7,968,268,575.81
  5. Step 5: Solve for x
    x = 7,968,268,575.81/108,245.57
  6. Step 6: Final answer
    x = 73,612.89

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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.