Home / 89,639.50-134,459.26-27,310

Finding the Fourth Proportional to 89,639.50, 134,459.26 and 27,310

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Solution

The fourth proportional to 89,639.50, 134,459.26 and 27,310 is: 40,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,639.50 : 134,459.26 = 27,310 : x
  2. Step 2: Convert to fraction form
    89,639.50/134,459.26 = 27,310/x
  3. Step 3: Cross multiply
    89,639.50x = 134,459.26 × 27,310
  4. Step 4: Simplify right side
    89,639.50x = 3,672,082,390.60
  5. Step 5: Solve for x
    x = 3,672,082,390.60/89,639.50
  6. Step 6: Final answer
    x = 40,965.00

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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.