Home / 114,022.49-157,360.73-66,272.78

Finding the Fourth Proportional to 114,022.49, 157,360.73 and 66,272.78

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Solution

The fourth proportional to 114,022.49, 157,360.73 and 66,272.78 is: 91,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,022.49 : 157,360.73 = 66,272.78 : x
  2. Step 2: Convert to fraction form
    114,022.49/157,360.73 = 66,272.78/x
  3. Step 3: Cross multiply
    114,022.49x = 157,360.73 × 66,272.78
  4. Step 4: Simplify right side
    114,022.49x = 10,428,733,101.97
  5. Step 5: Solve for x
    x = 10,428,733,101.97/114,022.49
  6. Step 6: Final answer
    x = 91,462.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.