Home / 73,725.40-110,568.54-21,120.76

Finding the Fourth Proportional to 73,725.40, 110,568.54 and 21,120.76

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Solution

The fourth proportional to 73,725.40, 110,568.54 and 21,120.76 is: 31,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,725.40 : 110,568.54 = 21,120.76 : x
  2. Step 2: Convert to fraction form
    73,725.40/110,568.54 = 21,120.76/x
  3. Step 3: Cross multiply
    73,725.40x = 110,568.54 × 21,120.76
  4. Step 4: Simplify right side
    73,725.40x = 2,335,291,596.89
  5. Step 5: Solve for x
    x = 2,335,291,596.89/73,725.40
  6. Step 6: Final answer
    x = 31,675.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.