Home / 62,278.38-85,919.67-39,611.34

Finding the Fourth Proportional to 62,278.38, 85,919.67 and 39,611.34

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Solution

The fourth proportional to 62,278.38, 85,919.67 and 39,611.34 is: 54,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,278.38 : 85,919.67 = 39,611.34 : x
  2. Step 2: Convert to fraction form
    62,278.38/85,919.67 = 39,611.34/x
  3. Step 3: Cross multiply
    62,278.38x = 85,919.67 × 39,611.34
  4. Step 4: Simplify right side
    62,278.38x = 3,403,393,261.06
  5. Step 5: Solve for x
    x = 3,403,393,261.06/62,278.38
  6. Step 6: Final answer
    x = 54,648.07

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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.