Home / 98,039.68-135,296.08-55,597.28

Finding the Fourth Proportional to 98,039.68, 135,296.08 and 55,597.28

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Solution

The fourth proportional to 98,039.68, 135,296.08 and 55,597.28 is: 76,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,039.68 : 135,296.08 = 55,597.28 : x
  2. Step 2: Convert to fraction form
    98,039.68/135,296.08 = 55,597.28/x
  3. Step 3: Cross multiply
    98,039.68x = 135,296.08 × 55,597.28
  4. Step 4: Simplify right side
    98,039.68x = 7,522,094,042.66
  5. Step 5: Solve for x
    x = 7,522,094,042.66/98,039.68
  6. Step 6: Final answer
    x = 76,725.00

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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.