Home / 98,241.08-135,589-57,964.72

Finding the Fourth Proportional to 98,241.08, 135,589 and 57,964.72

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Solution

The fourth proportional to 98,241.08, 135,589 and 57,964.72 is: 80,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,241.08 : 135,589 = 57,964.72 : x
  2. Step 2: Convert to fraction form
    98,241.08/135,589 = 57,964.72/x
  3. Step 3: Cross multiply
    98,241.08x = 135,589 × 57,964.72
  4. Step 4: Simplify right side
    98,241.08x = 7,859,378,420.08
  5. Step 5: Solve for x
    x = 7,859,378,420.08/98,241.08
  6. Step 6: Final answer
    x = 80,000.94

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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.