Home / 115,519.68-173,285.64-32,420.16

Finding the Fourth Proportional to 115,519.68, 173,285.64 and 32,420.16

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Solution

The fourth proportional to 115,519.68, 173,285.64 and 32,420.16 is: 48,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,519.68 : 173,285.64 = 32,420.16 : x
  2. Step 2: Convert to fraction form
    115,519.68/173,285.64 = 32,420.16/x
  3. Step 3: Cross multiply
    115,519.68x = 173,285.64 × 32,420.16
  4. Step 4: Simplify right side
    115,519.68x = 5,617,948,174.50
  5. Step 5: Solve for x
    x = 5,617,948,174.50/115,519.68
  6. Step 6: Final answer
    x = 48,631.96

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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.