Home / 115,716.36-173,512.10-52,501.98

Finding the Fourth Proportional to 115,716.36, 173,512.10 and 52,501.98

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Solution

The fourth proportional to 115,716.36, 173,512.10 and 52,501.98 is: 78,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,716.36 : 173,512.10 = 52,501.98 : x
  2. Step 2: Convert to fraction form
    115,716.36/173,512.10 = 52,501.98/x
  3. Step 3: Cross multiply
    115,716.36x = 173,512.10 × 52,501.98
  4. Step 4: Simplify right side
    115,716.36x = 9,109,728,803.96
  5. Step 5: Solve for x
    x = 9,109,728,803.96/115,716.36
  6. Step 6: Final answer
    x = 78,724.64

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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.