Home / 89,719.80-134,579.70-27,382.20

Finding the Fourth Proportional to 89,719.80, 134,579.70 and 27,382.20

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Solution

The fourth proportional to 89,719.80, 134,579.70 and 27,382.20 is: 41,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,719.80 : 134,579.70 = 27,382.20 : x
  2. Step 2: Convert to fraction form
    89,719.80/134,579.70 = 27,382.20/x
  3. Step 3: Cross multiply
    89,719.80x = 134,579.70 × 27,382.20
  4. Step 4: Simplify right side
    89,719.80x = 3,685,088,261.34
  5. Step 5: Solve for x
    x = 3,685,088,261.34/89,719.80
  6. Step 6: Final answer
    x = 41,073.30

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Similar ratio
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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.