Home / 81,872.32-112,955.52-46,056.64

Finding the Fourth Proportional to 81,872.32, 112,955.52 and 46,056.64

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Solution

The fourth proportional to 81,872.32, 112,955.52 and 46,056.64 is: 63,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,872.32 : 112,955.52 = 46,056.64 : x
  2. Step 2: Convert to fraction form
    81,872.32/112,955.52 = 46,056.64/x
  3. Step 3: Cross multiply
    81,872.32x = 112,955.52 × 46,056.64
  4. Step 4: Simplify right side
    81,872.32x = 5,202,351,720.65
  5. Step 5: Solve for x
    x = 5,202,351,720.65/81,872.32
  6. Step 6: Final answer
    x = 63,542.25

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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.