Home / 48,443.91-72,670.08-13,383.60

Finding the Fourth Proportional to 48,443.91, 72,670.08 and 13,383.60

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Solution

The fourth proportional to 48,443.91, 72,670.08 and 13,383.60 is: 20,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.91 : 72,670.08 = 13,383.60 : x
  2. Step 2: Convert to fraction form
    48,443.91/72,670.08 = 13,383.60/x
  3. Step 3: Cross multiply
    48,443.91x = 72,670.08 × 13,383.60
  4. Step 4: Simplify right side
    48,443.91x = 972,587,282.69
  5. Step 5: Solve for x
    x = 972,587,282.69/48,443.91
  6. Step 6: Final answer
    x = 20,076.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.