Home / 75,840.84-104,693.85-48,996.36

Finding the Fourth Proportional to 75,840.84, 104,693.85 and 48,996.36

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Solution

The fourth proportional to 75,840.84, 104,693.85 and 48,996.36 is: 67,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,840.84 : 104,693.85 = 48,996.36 : x
  2. Step 2: Convert to fraction form
    75,840.84/104,693.85 = 48,996.36/x
  3. Step 3: Cross multiply
    75,840.84x = 104,693.85 × 48,996.36
  4. Step 4: Simplify right side
    75,840.84x = 5,129,617,564.39
  5. Step 5: Solve for x
    x = 5,129,617,564.39/75,840.84
  6. Step 6: Final answer
    x = 67,636.61

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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.