Home / 97,107.69-145,718.03-40,944.30

Finding the Fourth Proportional to 97,107.69, 145,718.03 and 40,944.30

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Solution

The fourth proportional to 97,107.69, 145,718.03 and 40,944.30 is: 61,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,107.69 : 145,718.03 = 40,944.30 : x
  2. Step 2: Convert to fraction form
    97,107.69/145,718.03 = 40,944.30/x
  3. Step 3: Cross multiply
    97,107.69x = 145,718.03 × 40,944.30
  4. Step 4: Simplify right side
    97,107.69x = 5,966,322,531.01
  5. Step 5: Solve for x
    x = 5,966,322,531.01/97,107.69
  6. Step 6: Final answer
    x = 61,440.27

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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.