Home / 98,213.15-135,498.65-64,241.04

Finding the Fourth Proportional to 98,213.15, 135,498.65 and 64,241.04

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Solution

The fourth proportional to 98,213.15, 135,498.65 and 64,241.04 is: 88,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,213.15 : 135,498.65 = 64,241.04 : x
  2. Step 2: Convert to fraction form
    98,213.15/135,498.65 = 64,241.04/x
  3. Step 3: Cross multiply
    98,213.15x = 135,498.65 × 64,241.04
  4. Step 4: Simplify right side
    98,213.15x = 8,704,573,873.39
  5. Step 5: Solve for x
    x = 8,704,573,873.39/98,213.15
  6. Step 6: Final answer
    x = 88,629.41

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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.