Home / 98,282.82-135,641.58-54,679.71

Finding the Fourth Proportional to 98,282.82, 135,641.58 and 54,679.71

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Solution

The fourth proportional to 98,282.82, 135,641.58 and 54,679.71 is: 75,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,282.82 : 135,641.58 = 54,679.71 : x
  2. Step 2: Convert to fraction form
    98,282.82/135,641.58 = 54,679.71/x
  3. Step 3: Cross multiply
    98,282.82x = 135,641.58 × 54,679.71
  4. Step 4: Simplify right side
    98,282.82x = 7,416,842,258.34
  5. Step 5: Solve for x
    x = 7,416,842,258.34/98,282.82
  6. Step 6: Final answer
    x = 75,464.28

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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.