Home / 115,081.65-172,408.64-62,535.33

Finding the Fourth Proportional to 115,081.65, 172,408.64 and 62,535.33

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Solution

The fourth proportional to 115,081.65, 172,408.64 and 62,535.33 is: 93,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,081.65 : 172,408.64 = 62,535.33 : x
  2. Step 2: Convert to fraction form
    115,081.65/172,408.64 = 62,535.33/x
  3. Step 3: Cross multiply
    115,081.65x = 172,408.64 × 62,535.33
  4. Step 4: Simplify right side
    115,081.65x = 10,781,630,884.57
  5. Step 5: Solve for x
    x = 10,781,630,884.57/115,081.65
  6. Step 6: Final answer
    x = 93,686.79

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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.