Home / 89,635.36-134,473.20-27,312.16

Finding the Fourth Proportional to 89,635.36, 134,473.20 and 27,312.16

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Solution

The fourth proportional to 89,635.36, 134,473.20 and 27,312.16 is: 40,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,635.36 : 134,473.20 = 27,312.16 : x
  2. Step 2: Convert to fraction form
    89,635.36/134,473.20 = 27,312.16/x
  3. Step 3: Cross multiply
    89,635.36x = 134,473.20 × 27,312.16
  4. Step 4: Simplify right side
    89,635.36x = 3,672,753,554.11
  5. Step 5: Solve for x
    x = 3,672,753,554.11/89,635.36
  6. Step 6: Final answer
    x = 40,974.38

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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.