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Finding the Fourth Proportional to 62,149, 85,766.22 and 35,292.08

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Solution

The fourth proportional to 62,149, 85,766.22 and 35,292.08 is: 48,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,149 : 85,766.22 = 35,292.08 : x
  2. Step 2: Convert to fraction form
    62,149/85,766.22 = 35,292.08/x
  3. Step 3: Cross multiply
    62,149x = 85,766.22 × 35,292.08
  4. Step 4: Simplify right side
    62,149x = 3,026,868,297.54
  5. Step 5: Solve for x
    x = 3,026,868,297.54/62,149
  6. Step 6: Final answer
    x = 48,703.41

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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.