Home / 81,909.87-113,039.26-46,102.20

Finding the Fourth Proportional to 81,909.87, 113,039.26 and 46,102.20

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Solution

The fourth proportional to 81,909.87, 113,039.26 and 46,102.20 is: 63,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,909.87 : 113,039.26 = 46,102.20 : x
  2. Step 2: Convert to fraction form
    81,909.87/113,039.26 = 46,102.20/x
  3. Step 3: Cross multiply
    81,909.87x = 113,039.26 × 46,102.20
  4. Step 4: Simplify right side
    81,909.87x = 5,211,358,630.00
  5. Step 5: Solve for x
    x = 5,211,358,630.00/81,909.87
  6. Step 6: Final answer
    x = 63,623.09

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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.