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Finding the Fourth Proportional to 62,102.28, 85,698.60 and 33,808

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Solution

The fourth proportional to 62,102.28, 85,698.60 and 33,808 is: 46,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,102.28 : 85,698.60 = 33,808 : x
  2. Step 2: Convert to fraction form
    62,102.28/85,698.60 = 33,808/x
  3. Step 3: Cross multiply
    62,102.28x = 85,698.60 × 33,808
  4. Step 4: Simplify right side
    62,102.28x = 2,897,298,268.80
  5. Step 5: Solve for x
    x = 2,897,298,268.80/62,102.28
  6. Step 6: Final answer
    x = 46,653.65

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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.