Home / 114,072.17-171,020.77-69,719.81

Finding the Fourth Proportional to 114,072.17, 171,020.77 and 69,719.81

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Solution

The fourth proportional to 114,072.17, 171,020.77 and 69,719.81 is: 104,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,072.17 : 171,020.77 = 69,719.81 : x
  2. Step 2: Convert to fraction form
    114,072.17/171,020.77 = 69,719.81/x
  3. Step 3: Cross multiply
    114,072.17x = 171,020.77 × 69,719.81
  4. Step 4: Simplify right side
    114,072.17x = 11,923,534,561.05
  5. Step 5: Solve for x
    x = 11,923,534,561.05/114,072.17
  6. Step 6: Final answer
    x = 104,526.24

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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.