Home / 81,219.21-112,084.89-44,921.73

Finding the Fourth Proportional to 81,219.21, 112,084.89 and 44,921.73

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Solution

The fourth proportional to 81,219.21, 112,084.89 and 44,921.73 is: 61,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,219.21 : 112,084.89 = 44,921.73 : x
  2. Step 2: Convert to fraction form
    81,219.21/112,084.89 = 44,921.73/x
  3. Step 3: Cross multiply
    81,219.21x = 112,084.89 × 44,921.73
  4. Step 4: Simplify right side
    81,219.21x = 5,035,047,417.52
  5. Step 5: Solve for x
    x = 5,035,047,417.52/81,219.21
  6. Step 6: Final answer
    x = 61,993.31

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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.