Home / 66,142.36-99,247.46-32,407.73

Finding the Fourth Proportional to 66,142.36, 99,247.46 and 32,407.73

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Solution

The fourth proportional to 66,142.36, 99,247.46 and 32,407.73 is: 48,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142.36 : 99,247.46 = 32,407.73 : x
  2. Step 2: Convert to fraction form
    66,142.36/99,247.46 = 32,407.73/x
  3. Step 3: Cross multiply
    66,142.36x = 99,247.46 × 32,407.73
  4. Step 4: Simplify right side
    66,142.36x = 3,216,384,600.77
  5. Step 5: Solve for x
    x = 3,216,384,600.77/66,142.36
  6. Step 6: Final answer
    x = 48,628.21

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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.