Home / 98,296.32-135,650.96-55,276.64

Finding the Fourth Proportional to 98,296.32, 135,650.96 and 55,276.64

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Solution

The fourth proportional to 98,296.32, 135,650.96 and 55,276.64 is: 76,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,296.32 : 135,650.96 = 55,276.64 : x
  2. Step 2: Convert to fraction form
    98,296.32/135,650.96 = 55,276.64/x
  3. Step 3: Cross multiply
    98,296.32x = 135,650.96 × 55,276.64
  4. Step 4: Simplify right side
    98,296.32x = 7,498,329,281.57
  5. Step 5: Solve for x
    x = 7,498,329,281.57/98,296.32
  6. Step 6: Final answer
    x = 76,282.91

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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.