Home / 70,135.29-96,787.32-39,922.56

Finding the Fourth Proportional to 70,135.29, 96,787.32 and 39,922.56

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Solution

The fourth proportional to 70,135.29, 96,787.32 and 39,922.56 is: 55,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135.29 : 96,787.32 = 39,922.56 : x
  2. Step 2: Convert to fraction form
    70,135.29/96,787.32 = 39,922.56/x
  3. Step 3: Cross multiply
    70,135.29x = 96,787.32 × 39,922.56
  4. Step 4: Simplify right side
    70,135.29x = 3,863,997,589.94
  5. Step 5: Solve for x
    x = 3,863,997,589.94/70,135.29
  6. Step 6: Final answer
    x = 55,093.49

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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.