Home / 95,904.15-143,910.90-66,343.20

Finding the Fourth Proportional to 95,904.15, 143,910.90 and 66,343.20

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Solution

The fourth proportional to 95,904.15, 143,910.90 and 66,343.20 is: 99,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,904.15 : 143,910.90 = 66,343.20 : x
  2. Step 2: Convert to fraction form
    95,904.15/143,910.90 = 66,343.20/x
  3. Step 3: Cross multiply
    95,904.15x = 143,910.90 × 66,343.20
  4. Step 4: Simplify right side
    95,904.15x = 9,547,509,620.88
  5. Step 5: Solve for x
    x = 9,547,509,620.88/95,904.15
  6. Step 6: Final answer
    x = 99,552.62

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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.