Home / 98,268.52-135,568.53-64,217.91

Finding the Fourth Proportional to 98,268.52, 135,568.53 and 64,217.91

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Solution

The fourth proportional to 98,268.52, 135,568.53 and 64,217.91 is: 88,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,268.52 : 135,568.53 = 64,217.91 : x
  2. Step 2: Convert to fraction form
    98,268.52/135,568.53 = 64,217.91/x
  3. Step 3: Cross multiply
    98,268.52x = 135,568.53 × 64,217.91
  4. Step 4: Simplify right side
    98,268.52x = 8,705,926,980.53
  5. Step 5: Solve for x
    x = 8,705,926,980.53/98,268.52
  6. Step 6: Final answer
    x = 88,593.24

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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.