Home / 71,082.32-98,093.60-39,251.28

Finding the Fourth Proportional to 71,082.32, 98,093.60 and 39,251.28

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Solution

The fourth proportional to 71,082.32, 98,093.60 and 39,251.28 is: 54,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082.32 : 98,093.60 = 39,251.28 : x
  2. Step 2: Convert to fraction form
    71,082.32/98,093.60 = 39,251.28/x
  3. Step 3: Cross multiply
    71,082.32x = 98,093.60 × 39,251.28
  4. Step 4: Simplify right side
    71,082.32x = 3,850,299,359.81
  5. Step 5: Solve for x
    x = 3,850,299,359.81/71,082.32
  6. Step 6: Final answer
    x = 54,166.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.