Home / 77,402.56-116,106.40-27,481.98

Finding the Fourth Proportional to 77,402.56, 116,106.40 and 27,481.98

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Solution

The fourth proportional to 77,402.56, 116,106.40 and 27,481.98 is: 41,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,402.56 : 116,106.40 = 27,481.98 : x
  2. Step 2: Convert to fraction form
    77,402.56/116,106.40 = 27,481.98/x
  3. Step 3: Cross multiply
    77,402.56x = 116,106.40 × 27,481.98
  4. Step 4: Simplify right side
    77,402.56x = 3,190,833,762.67
  5. Step 5: Solve for x
    x = 3,190,833,762.67/77,402.56
  6. Step 6: Final answer
    x = 41,223.88

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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.