Home / 89,719.60-134,579.40-27,390.10

Finding the Fourth Proportional to 89,719.60, 134,579.40 and 27,390.10

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Solution

The fourth proportional to 89,719.60, 134,579.40 and 27,390.10 is: 41,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,719.60 : 134,579.40 = 27,390.10 : x
  2. Step 2: Convert to fraction form
    89,719.60/134,579.40 = 27,390.10/x
  3. Step 3: Cross multiply
    89,719.60x = 134,579.40 × 27,390.10
  4. Step 4: Simplify right side
    89,719.60x = 3,686,143,223.94
  5. Step 5: Solve for x
    x = 3,686,143,223.94/89,719.60
  6. Step 6: Final answer
    x = 41,085.15

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Similar ratio
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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.