Home / 89,777.36-123,892.44-52,073.12

Finding the Fourth Proportional to 89,777.36, 123,892.44 and 52,073.12

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Solution

The fourth proportional to 89,777.36, 123,892.44 and 52,073.12 is: 71,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,777.36 : 123,892.44 = 52,073.12 : x
  2. Step 2: Convert to fraction form
    89,777.36/123,892.44 = 52,073.12/x
  3. Step 3: Cross multiply
    89,777.36x = 123,892.44 × 52,073.12
  4. Step 4: Simplify right side
    89,777.36x = 6,451,465,895.21
  5. Step 5: Solve for x
    x = 6,451,465,895.21/89,777.36
  6. Step 6: Final answer
    x = 71,860.72

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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.