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Finding the Fourth Proportional to 70,993.46, 106,555.82 and 35,957.72

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Solution

The fourth proportional to 70,993.46, 106,555.82 and 35,957.72 is: 53,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,993.46 : 106,555.82 = 35,957.72 : x
  2. Step 2: Convert to fraction form
    70,993.46/106,555.82 = 35,957.72/x
  3. Step 3: Cross multiply
    70,993.46x = 106,555.82 × 35,957.72
  4. Step 4: Simplify right side
    70,993.46x = 3,831,504,339.93
  5. Step 5: Solve for x
    x = 3,831,504,339.93/70,993.46
  6. Step 6: Final answer
    x = 53,969.82

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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.