Home / 97,086.90-145,651.14-54,986.88

Finding the Fourth Proportional to 97,086.90, 145,651.14 and 54,986.88

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Solution

The fourth proportional to 97,086.90, 145,651.14 and 54,986.88 is: 82,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,086.90 : 145,651.14 = 54,986.88 : x
  2. Step 2: Convert to fraction form
    97,086.90/145,651.14 = 54,986.88/x
  3. Step 3: Cross multiply
    97,086.90x = 145,651.14 × 54,986.88
  4. Step 4: Simplify right side
    97,086.90x = 8,008,901,757.04
  5. Step 5: Solve for x
    x = 8,008,901,757.04/97,086.90
  6. Step 6: Final answer
    x = 82,492.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.