Home / 77,614.22-116,415.84-27,688.66

Finding the Fourth Proportional to 77,614.22, 116,415.84 and 27,688.66

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Solution

The fourth proportional to 77,614.22, 116,415.84 and 27,688.66 is: 41,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,614.22 : 116,415.84 = 27,688.66 : x
  2. Step 2: Convert to fraction form
    77,614.22/116,415.84 = 27,688.66/x
  3. Step 3: Cross multiply
    77,614.22x = 116,415.84 × 27,688.66
  4. Step 4: Simplify right side
    77,614.22x = 3,223,398,612.37
  5. Step 5: Solve for x
    x = 3,223,398,612.37/77,614.22
  6. Step 6: Final answer
    x = 41,531.03

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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.