Home / 95,590.12-143,382.60-45,705.40

Finding the Fourth Proportional to 95,590.12, 143,382.60 and 45,705.40

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Solution

The fourth proportional to 95,590.12, 143,382.60 and 45,705.40 is: 68,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,590.12 : 143,382.60 = 45,705.40 : x
  2. Step 2: Convert to fraction form
    95,590.12/143,382.60 = 45,705.40/x
  3. Step 3: Cross multiply
    95,590.12x = 143,382.60 × 45,705.40
  4. Step 4: Simplify right side
    95,590.12x = 6,553,359,086.04
  5. Step 5: Solve for x
    x = 6,553,359,086.04/95,590.12
  6. Step 6: Final answer
    x = 68,556.87

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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.