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Finding the Fourth Proportional to 61,606.14, 85,015.08 and 34,748.97

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Solution

The fourth proportional to 61,606.14, 85,015.08 and 34,748.97 is: 47,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,606.14 : 85,015.08 = 34,748.97 : x
  2. Step 2: Convert to fraction form
    61,606.14/85,015.08 = 34,748.97/x
  3. Step 3: Cross multiply
    61,606.14x = 85,015.08 × 34,748.97
  4. Step 4: Simplify right side
    61,606.14x = 2,954,186,464.47
  5. Step 5: Solve for x
    x = 2,954,186,464.47/61,606.14
  6. Step 6: Final answer
    x = 47,952.79

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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.