Home / 55,296.14-76,308.44-30,145.64

Finding the Fourth Proportional to 55,296.14, 76,308.44 and 30,145.64

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Solution

The fourth proportional to 55,296.14, 76,308.44 and 30,145.64 is: 41,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.14 : 76,308.44 = 30,145.64 : x
  2. Step 2: Convert to fraction form
    55,296.14/76,308.44 = 30,145.64/x
  3. Step 3: Cross multiply
    55,296.14x = 76,308.44 × 30,145.64
  4. Step 4: Simplify right side
    55,296.14x = 2,300,366,761.20
  5. Step 5: Solve for x
    x = 2,300,366,761.20/55,296.14
  6. Step 6: Final answer
    x = 41,600.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.