Home / 70,741.25-97,636.79-40,546.81

Finding the Fourth Proportional to 70,741.25, 97,636.79 and 40,546.81

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Solution

The fourth proportional to 70,741.25, 97,636.79 and 40,546.81 is: 55,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.25 : 97,636.79 = 40,546.81 : x
  2. Step 2: Convert to fraction form
    70,741.25/97,636.79 = 40,546.81/x
  3. Step 3: Cross multiply
    70,741.25x = 97,636.79 × 40,546.81
  4. Step 4: Simplify right side
    70,741.25x = 3,958,860,373.14
  5. Step 5: Solve for x
    x = 3,958,860,373.14/70,741.25
  6. Step 6: Final answer
    x = 55,962.54

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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.