Home / 75,670.05-104,424.67-43,857.40

Finding the Fourth Proportional to 75,670.05, 104,424.67 and 43,857.40

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Solution

The fourth proportional to 75,670.05, 104,424.67 and 43,857.40 is: 60,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,670.05 : 104,424.67 = 43,857.40 : x
  2. Step 2: Convert to fraction form
    75,670.05/104,424.67 = 43,857.40/x
  3. Step 3: Cross multiply
    75,670.05x = 104,424.67 × 43,857.40
  4. Step 4: Simplify right side
    75,670.05x = 4,579,794,522.06
  5. Step 5: Solve for x
    x = 4,579,794,522.06/75,670.05
  6. Step 6: Final answer
    x = 60,523.21

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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.