Home / 75,640.46-104,374.86-43,803.14

Finding the Fourth Proportional to 75,640.46, 104,374.86 and 43,803.14

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Solution

The fourth proportional to 75,640.46, 104,374.86 and 43,803.14 is: 60,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,640.46 : 104,374.86 = 43,803.14 : x
  2. Step 2: Convert to fraction form
    75,640.46/104,374.86 = 43,803.14/x
  3. Step 3: Cross multiply
    75,640.46x = 104,374.86 × 43,803.14
  4. Step 4: Simplify right side
    75,640.46x = 4,571,946,605.06
  5. Step 5: Solve for x
    x = 4,571,946,605.06/75,640.46
  6. Step 6: Final answer
    x = 60,443.14

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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.