Home / 95,723.04-143,846.88-90,288.32

Finding the Fourth Proportional to 95,723.04, 143,846.88 and 90,288.32

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Solution

The fourth proportional to 95,723.04, 143,846.88 and 90,288.32 is: 135,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,723.04 : 143,846.88 = 90,288.32 : x
  2. Step 2: Convert to fraction form
    95,723.04/143,846.88 = 90,288.32/x
  3. Step 3: Cross multiply
    95,723.04x = 143,846.88 × 90,288.32
  4. Step 4: Simplify right side
    95,723.04x = 12,987,693,132.44
  5. Step 5: Solve for x
    x = 12,987,693,132.44/95,723.04
  6. Step 6: Final answer
    x = 135,679.91

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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.