Home / 81,759.96-112,828.27-45,949.66

Finding the Fourth Proportional to 81,759.96, 112,828.27 and 45,949.66

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Solution

The fourth proportional to 81,759.96, 112,828.27 and 45,949.66 is: 63,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,759.96 : 112,828.27 = 45,949.66 : x
  2. Step 2: Convert to fraction form
    81,759.96/112,828.27 = 45,949.66/x
  3. Step 3: Cross multiply
    81,759.96x = 112,828.27 × 45,949.66
  4. Step 4: Simplify right side
    81,759.96x = 5,184,420,644.89
  5. Step 5: Solve for x
    x = 5,184,420,644.89/81,759.96
  6. Step 6: Final answer
    x = 63,410.26

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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.