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Finding the Fourth Proportional to 62,169.30, 85,799.79 and 35,313.48

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Solution

The fourth proportional to 62,169.30, 85,799.79 and 35,313.48 is: 48,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,169.30 : 85,799.79 = 35,313.48 : x
  2. Step 2: Convert to fraction form
    62,169.30/85,799.79 = 35,313.48/x
  3. Step 3: Cross multiply
    62,169.30x = 85,799.79 × 35,313.48
  4. Step 4: Simplify right side
    62,169.30x = 3,029,889,168.17
  5. Step 5: Solve for x
    x = 3,029,889,168.17/62,169.30
  6. Step 6: Final answer
    x = 48,736.10

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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.