Home / 51,770.36-71,279.42-47,040.50

Finding the Fourth Proportional to 51,770.36, 71,279.42 and 47,040.50

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Solution

The fourth proportional to 51,770.36, 71,279.42 and 47,040.50 is: 64,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,770.36 : 71,279.42 = 47,040.50 : x
  2. Step 2: Convert to fraction form
    51,770.36/71,279.42 = 47,040.50/x
  3. Step 3: Cross multiply
    51,770.36x = 71,279.42 × 47,040.50
  4. Step 4: Simplify right side
    51,770.36x = 3,353,019,556.51
  5. Step 5: Solve for x
    x = 3,353,019,556.51/51,770.36
  6. Step 6: Final answer
    x = 64,767.17

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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.