Home / 114,055.09-171,024.01-66,680.62

Finding the Fourth Proportional to 114,055.09, 171,024.01 and 66,680.62

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Solution

The fourth proportional to 114,055.09, 171,024.01 and 66,680.62 is: 99,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,055.09 : 171,024.01 = 66,680.62 : x
  2. Step 2: Convert to fraction form
    114,055.09/171,024.01 = 66,680.62/x
  3. Step 3: Cross multiply
    114,055.09x = 171,024.01 × 66,680.62
  4. Step 4: Simplify right side
    114,055.09x = 11,403,986,427.42
  5. Step 5: Solve for x
    x = 11,403,986,427.42/114,055.09
  6. Step 6: Final answer
    x = 99,986.65

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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.