Home / 110,629.58-152,629.45-65,284.86

Finding the Fourth Proportional to 110,629.58, 152,629.45 and 65,284.86

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Solution

The fourth proportional to 110,629.58, 152,629.45 and 65,284.86 is: 90,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,629.58 : 152,629.45 = 65,284.86 : x
  2. Step 2: Convert to fraction form
    110,629.58/152,629.45 = 65,284.86/x
  3. Step 3: Cross multiply
    110,629.58x = 152,629.45 × 65,284.86
  4. Step 4: Simplify right side
    110,629.58x = 9,964,392,684.28
  5. Step 5: Solve for x
    x = 9,964,392,684.28/110,629.58
  6. Step 6: Final answer
    x = 90,069.88

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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.