Home / 73,102.42-109,487.55-57,208.39

Finding the Fourth Proportional to 73,102.42, 109,487.55 and 57,208.39

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Solution

The fourth proportional to 73,102.42, 109,487.55 and 57,208.39 is: 85,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102.42 : 109,487.55 = 57,208.39 : x
  2. Step 2: Convert to fraction form
    73,102.42/109,487.55 = 57,208.39/x
  3. Step 3: Cross multiply
    73,102.42x = 109,487.55 × 57,208.39
  4. Step 4: Simplify right side
    73,102.42x = 6,263,606,695.43
  5. Step 5: Solve for x
    x = 6,263,606,695.43/73,102.42
  6. Step 6: Final answer
    x = 85,682.62

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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.