Home / 98,376.64-135,727.68-58,076.80

Finding the Fourth Proportional to 98,376.64, 135,727.68 and 58,076.80

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Solution

The fourth proportional to 98,376.64, 135,727.68 and 58,076.80 is: 80,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,376.64 : 135,727.68 = 58,076.80 : x
  2. Step 2: Convert to fraction form
    98,376.64/135,727.68 = 58,076.80/x
  3. Step 3: Cross multiply
    98,376.64x = 135,727.68 × 58,076.80
  4. Step 4: Simplify right side
    98,376.64x = 7,882,629,325.82
  5. Step 5: Solve for x
    x = 7,882,629,325.82/98,376.64
  6. Step 6: Final answer
    x = 80,127.04

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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.