Home / 95,322.12-142,890.21-45,388.80

Finding the Fourth Proportional to 95,322.12, 142,890.21 and 45,388.80

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Solution

The fourth proportional to 95,322.12, 142,890.21 and 45,388.80 is: 68,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,322.12 : 142,890.21 = 45,388.80 : x
  2. Step 2: Convert to fraction form
    95,322.12/142,890.21 = 45,388.80/x
  3. Step 3: Cross multiply
    95,322.12x = 142,890.21 × 45,388.80
  4. Step 4: Simplify right side
    95,322.12x = 6,485,615,163.65
  5. Step 5: Solve for x
    x = 6,485,615,163.65/95,322.12
  6. Step 6: Final answer
    x = 68,038.93

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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.