Home / 89,616.88-134,331.30-33,434.32

Finding the Fourth Proportional to 89,616.88, 134,331.30 and 33,434.32

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Solution

The fourth proportional to 89,616.88, 134,331.30 and 33,434.32 is: 50,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,616.88 : 134,331.30 = 33,434.32 : x
  2. Step 2: Convert to fraction form
    89,616.88/134,331.30 = 33,434.32/x
  3. Step 3: Cross multiply
    89,616.88x = 134,331.30 × 33,434.32
  4. Step 4: Simplify right side
    89,616.88x = 4,491,275,670.22
  5. Step 5: Solve for x
    x = 4,491,275,670.22/89,616.88
  6. Step 6: Final answer
    x = 50,116.40

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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.