Home / 102,691.47-153,909.99-58,183.32

Finding the Fourth Proportional to 102,691.47, 153,909.99 and 58,183.32

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Solution

The fourth proportional to 102,691.47, 153,909.99 and 58,183.32 is: 87,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,691.47 : 153,909.99 = 58,183.32 : x
  2. Step 2: Convert to fraction form
    102,691.47/153,909.99 = 58,183.32/x
  3. Step 3: Cross multiply
    102,691.47x = 153,909.99 × 58,183.32
  4. Step 4: Simplify right side
    102,691.47x = 8,954,994,199.37
  5. Step 5: Solve for x
    x = 8,954,994,199.37/102,691.47
  6. Step 6: Final answer
    x = 87,202.90

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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.