Home / 75,736.84-104,520.36-43,915.72

Finding the Fourth Proportional to 75,736.84, 104,520.36 and 43,915.72

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Solution

The fourth proportional to 75,736.84, 104,520.36 and 43,915.72 is: 60,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,736.84 : 104,520.36 = 43,915.72 : x
  2. Step 2: Convert to fraction form
    75,736.84/104,520.36 = 43,915.72/x
  3. Step 3: Cross multiply
    75,736.84x = 104,520.36 × 43,915.72
  4. Step 4: Simplify right side
    75,736.84x = 4,590,086,864.06
  5. Step 5: Solve for x
    x = 4,590,086,864.06/75,736.84
  6. Step 6: Final answer
    x = 60,605.74

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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.