Home / 115,716.70-173,587.81-36,812.51

Finding the Fourth Proportional to 115,716.70, 173,587.81 and 36,812.51

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Solution

The fourth proportional to 115,716.70, 173,587.81 and 36,812.51 is: 55,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,716.70 : 173,587.81 = 36,812.51 : x
  2. Step 2: Convert to fraction form
    115,716.70/173,587.81 = 36,812.51/x
  3. Step 3: Cross multiply
    115,716.70x = 173,587.81 × 36,812.51
  4. Step 4: Simplify right side
    115,716.70x = 6,390,202,991.50
  5. Step 5: Solve for x
    x = 6,390,202,991.50/115,716.70
  6. Step 6: Final answer
    x = 55,222.82

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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.