Home / 81,226.53-121,787.93-39,022.65

Finding the Fourth Proportional to 81,226.53, 121,787.93 and 39,022.65

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Solution

The fourth proportional to 81,226.53, 121,787.93 and 39,022.65 is: 58,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,226.53 : 121,787.93 = 39,022.65 : x
  2. Step 2: Convert to fraction form
    81,226.53/121,787.93 = 39,022.65/x
  3. Step 3: Cross multiply
    81,226.53x = 121,787.93 × 39,022.65
  4. Step 4: Simplify right side
    81,226.53x = 4,752,487,571.50
  5. Step 5: Solve for x
    x = 4,752,487,571.50/81,226.53
  6. Step 6: Final answer
    x = 58,509.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.