Home / 98,016.63-135,213.07-64,044.97

Finding the Fourth Proportional to 98,016.63, 135,213.07 and 64,044.97

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Solution

The fourth proportional to 98,016.63, 135,213.07 and 64,044.97 is: 88,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,016.63 : 135,213.07 = 64,044.97 : x
  2. Step 2: Convert to fraction form
    98,016.63/135,213.07 = 64,044.97/x
  3. Step 3: Cross multiply
    98,016.63x = 135,213.07 × 64,044.97
  4. Step 4: Simplify right side
    98,016.63x = 8,659,716,691.53
  5. Step 5: Solve for x
    x = 8,659,716,691.53/98,016.63
  6. Step 6: Final answer
    x = 88,349.47

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1.5x scale

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.