Home / 115,062.51-172,617.30-48,502.65

Finding the Fourth Proportional to 115,062.51, 172,617.30 and 48,502.65

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Solution

The fourth proportional to 115,062.51, 172,617.30 and 48,502.65 is: 72,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,062.51 : 172,617.30 = 48,502.65 : x
  2. Step 2: Convert to fraction form
    115,062.51/172,617.30 = 48,502.65/x
  3. Step 3: Cross multiply
    115,062.51x = 172,617.30 × 48,502.65
  4. Step 4: Simplify right side
    115,062.51x = 8,372,396,485.85
  5. Step 5: Solve for x
    x = 8,372,396,485.85/115,062.51
  6. Step 6: Final answer
    x = 72,763.90

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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.