Home / 73,606.75-101,577.45-40,072.75

Finding the Fourth Proportional to 73,606.75, 101,577.45 and 40,072.75

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Solution

The fourth proportional to 73,606.75, 101,577.45 and 40,072.75 is: 55,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,606.75 : 101,577.45 = 40,072.75 : x
  2. Step 2: Convert to fraction form
    73,606.75/101,577.45 = 40,072.75/x
  3. Step 3: Cross multiply
    73,606.75x = 101,577.45 × 40,072.75
  4. Step 4: Simplify right side
    73,606.75x = 4,070,487,759.49
  5. Step 5: Solve for x
    x = 4,070,487,759.49/73,606.75
  6. Step 6: Final answer
    x = 55,300.47

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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.