Home / 98,530.64-135,976.06-55,527.24

Finding the Fourth Proportional to 98,530.64, 135,976.06 and 55,527.24

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Solution

The fourth proportional to 98,530.64, 135,976.06 and 55,527.24 is: 76,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,530.64 : 135,976.06 = 55,527.24 : x
  2. Step 2: Convert to fraction form
    98,530.64/135,976.06 = 55,527.24/x
  3. Step 3: Cross multiply
    98,530.64x = 135,976.06 × 55,527.24
  4. Step 4: Simplify right side
    98,530.64x = 7,550,375,317.87
  5. Step 5: Solve for x
    x = 7,550,375,317.87/98,530.64
  6. Step 6: Final answer
    x = 76,629.72

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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.