Home / 95,786.12-143,670.14-45,173.40

Finding the Fourth Proportional to 95,786.12, 143,670.14 and 45,173.40

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Solution

The fourth proportional to 95,786.12, 143,670.14 and 45,173.40 is: 67,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,786.12 : 143,670.14 = 45,173.40 : x
  2. Step 2: Convert to fraction form
    95,786.12/143,670.14 = 45,173.40/x
  3. Step 3: Cross multiply
    95,786.12x = 143,670.14 × 45,173.40
  4. Step 4: Simplify right side
    95,786.12x = 6,490,068,702.28
  5. Step 5: Solve for x
    x = 6,490,068,702.28/95,786.12
  6. Step 6: Final answer
    x = 67,755.84

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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.