Home / 115,226.40-172,770.48-45,022.08

Finding the Fourth Proportional to 115,226.40, 172,770.48 and 45,022.08

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Solution

The fourth proportional to 115,226.40, 172,770.48 and 45,022.08 is: 67,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,226.40 : 172,770.48 = 45,022.08 : x
  2. Step 2: Convert to fraction form
    115,226.40/172,770.48 = 45,022.08/x
  3. Step 3: Cross multiply
    115,226.40x = 172,770.48 × 45,022.08
  4. Step 4: Simplify right side
    115,226.40x = 7,778,486,372.20
  5. Step 5: Solve for x
    x = 7,778,486,372.20/115,226.40
  6. Step 6: Final answer
    x = 67,506.11

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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.