Home / 81,766.87-112,832.66-45,962.27

Finding the Fourth Proportional to 81,766.87, 112,832.66 and 45,962.27

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Solution

The fourth proportional to 81,766.87, 112,832.66 and 45,962.27 is: 63,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,766.87 : 112,832.66 = 45,962.27 : x
  2. Step 2: Convert to fraction form
    81,766.87/112,832.66 = 45,962.27/x
  3. Step 3: Cross multiply
    81,766.87x = 112,832.66 × 45,962.27
  4. Step 4: Simplify right side
    81,766.87x = 5,186,045,157.60
  5. Step 5: Solve for x
    x = 5,186,045,157.60/81,766.87
  6. Step 6: Final answer
    x = 63,424.77

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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.