Home / 98,097.14-135,364.68-55,066.78

Finding the Fourth Proportional to 98,097.14, 135,364.68 and 55,066.78

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Solution

The fourth proportional to 98,097.14, 135,364.68 and 55,066.78 is: 75,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,097.14 : 135,364.68 = 55,066.78 : x
  2. Step 2: Convert to fraction form
    98,097.14/135,364.68 = 55,066.78/x
  3. Step 3: Cross multiply
    98,097.14x = 135,364.68 × 55,066.78
  4. Step 4: Simplify right side
    98,097.14x = 7,454,097,053.33
  5. Step 5: Solve for x
    x = 7,454,097,053.33/98,097.14
  6. Step 6: Final answer
    x = 75,986.89

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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.