Home / 75,233.37-103,828.77-48,439.89

Finding the Fourth Proportional to 75,233.37, 103,828.77 and 48,439.89

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Solution

The fourth proportional to 75,233.37, 103,828.77 and 48,439.89 is: 66,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,233.37 : 103,828.77 = 48,439.89 : x
  2. Step 2: Convert to fraction form
    75,233.37/103,828.77 = 48,439.89/x
  3. Step 3: Cross multiply
    75,233.37x = 103,828.77 × 48,439.89
  4. Step 4: Simplify right side
    75,233.37x = 5,029,454,197.64
  5. Step 5: Solve for x
    x = 5,029,454,197.64/75,233.37
  6. Step 6: Final answer
    x = 66,851.37

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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.