Home / 77,708.16-116,549.89-27,778.95

Finding the Fourth Proportional to 77,708.16, 116,549.89 and 27,778.95

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Solution

The fourth proportional to 77,708.16, 116,549.89 and 27,778.95 is: 41,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,708.16 : 116,549.89 = 27,778.95 : x
  2. Step 2: Convert to fraction form
    77,708.16/116,549.89 = 27,778.95/x
  3. Step 3: Cross multiply
    77,708.16x = 116,549.89 × 27,778.95
  4. Step 4: Simplify right side
    77,708.16x = 3,237,633,497.37
  5. Step 5: Solve for x
    x = 3,237,633,497.37/77,708.16
  6. Step 6: Final answer
    x = 41,664.01

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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.