Home / 89,165.36-123,049.58-53,356.88

Finding the Fourth Proportional to 89,165.36, 123,049.58 and 53,356.88

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Solution

The fourth proportional to 89,165.36, 123,049.58 and 53,356.88 is: 73,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,165.36 : 123,049.58 = 53,356.88 : x
  2. Step 2: Convert to fraction form
    89,165.36/123,049.58 = 53,356.88/x
  3. Step 3: Cross multiply
    89,165.36x = 123,049.58 × 53,356.88
  4. Step 4: Simplify right side
    89,165.36x = 6,565,540,792.08
  5. Step 5: Solve for x
    x = 6,565,540,792.08/89,165.36
  6. Step 6: Final answer
    x = 73,633.32

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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.