Home / 70,740.75-97,636.10-40,546.31

Finding the Fourth Proportional to 70,740.75, 97,636.10 and 40,546.31

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Solution

The fourth proportional to 70,740.75, 97,636.10 and 40,546.31 is: 55,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,740.75 : 97,636.10 = 40,546.31 : x
  2. Step 2: Convert to fraction form
    70,740.75/97,636.10 = 40,546.31/x
  3. Step 3: Cross multiply
    70,740.75x = 97,636.10 × 40,546.31
  4. Step 4: Simplify right side
    70,740.75x = 3,958,783,923.25
  5. Step 5: Solve for x
    x = 3,958,783,923.25/70,740.75
  6. Step 6: Final answer
    x = 55,961.86

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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.