Home / 95,821.14-143,807.04-66,445.68

Finding the Fourth Proportional to 95,821.14, 143,807.04 and 66,445.68

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Solution

The fourth proportional to 95,821.14, 143,807.04 and 66,445.68 is: 99,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,821.14 : 143,807.04 = 66,445.68 : x
  2. Step 2: Convert to fraction form
    95,821.14/143,807.04 = 66,445.68/x
  3. Step 3: Cross multiply
    95,821.14x = 143,807.04 × 66,445.68
  4. Step 4: Simplify right side
    95,821.14x = 9,555,356,561.59
  5. Step 5: Solve for x
    x = 9,555,356,561.59/95,821.14
  6. Step 6: Final answer
    x = 99,720.76

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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.