Home / 73,914.21-102,001.56-39,922.68

Finding the Fourth Proportional to 73,914.21, 102,001.56 and 39,922.68

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Solution

The fourth proportional to 73,914.21, 102,001.56 and 39,922.68 is: 55,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,914.21 : 102,001.56 = 39,922.68 : x
  2. Step 2: Convert to fraction form
    73,914.21/102,001.56 = 39,922.68/x
  3. Step 3: Cross multiply
    73,914.21x = 102,001.56 × 39,922.68
  4. Step 4: Simplify right side
    73,914.21x = 4,072,175,639.38
  5. Step 5: Solve for x
    x = 4,072,175,639.38/73,914.21
  6. Step 6: Final answer
    x = 55,093.27

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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.