Home / 114,086.90-157,453.13-68,788.06

Finding the Fourth Proportional to 114,086.90, 157,453.13 and 68,788.06

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Solution

The fourth proportional to 114,086.90, 157,453.13 and 68,788.06 is: 94,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,086.90 : 157,453.13 = 68,788.06 : x
  2. Step 2: Convert to fraction form
    114,086.90/157,453.13 = 68,788.06/x
  3. Step 3: Cross multiply
    114,086.90x = 157,453.13 × 68,788.06
  4. Step 4: Simplify right side
    114,086.90x = 10,830,895,131.97
  5. Step 5: Solve for x
    x = 10,830,895,131.97/114,086.90
  6. Step 6: Final answer
    x = 94,935.48

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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.