Home / 48,148.26-72,222.54-13,087.89

Finding the Fourth Proportional to 48,148.26, 72,222.54 and 13,087.89

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Solution

The fourth proportional to 48,148.26, 72,222.54 and 13,087.89 is: 19,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,148.26 : 72,222.54 = 13,087.89 : x
  2. Step 2: Convert to fraction form
    48,148.26/72,222.54 = 13,087.89/x
  3. Step 3: Cross multiply
    48,148.26x = 72,222.54 × 13,087.89
  4. Step 4: Simplify right side
    48,148.26x = 945,240,659.04
  5. Step 5: Solve for x
    x = 945,240,659.04/48,148.26
  6. Step 6: Final answer
    x = 19,631.88

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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.