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Finding the Fourth Proportional to 61,975.33, 85,524.32 and 35,120.39

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Solution

The fourth proportional to 61,975.33, 85,524.32 and 35,120.39 is: 48,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,975.33 : 85,524.32 = 35,120.39 : x
  2. Step 2: Convert to fraction form
    61,975.33/85,524.32 = 35,120.39/x
  3. Step 3: Cross multiply
    61,975.33x = 85,524.32 × 35,120.39
  4. Step 4: Simplify right side
    61,975.33x = 3,003,647,133.06
  5. Step 5: Solve for x
    x = 3,003,647,133.06/61,975.33
  6. Step 6: Final answer
    x = 48,465.21

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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.