Home / 75,665.07-104,392.76-48,825.41

Finding the Fourth Proportional to 75,665.07, 104,392.76 and 48,825.41

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Solution

The fourth proportional to 75,665.07, 104,392.76 and 48,825.41 is: 67,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,665.07 : 104,392.76 = 48,825.41 : x
  2. Step 2: Convert to fraction form
    75,665.07/104,392.76 = 48,825.41/x
  3. Step 3: Cross multiply
    75,665.07x = 104,392.76 × 48,825.41
  4. Step 4: Simplify right side
    75,665.07x = 5,097,018,541.94
  5. Step 5: Solve for x
    x = 5,097,018,541.94/75,665.07
  6. Step 6: Final answer
    x = 67,362.90

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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.