Home / 114,511.12-157,992.83-66,755.24

Finding the Fourth Proportional to 114,511.12, 157,992.83 and 66,755.24

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Solution

The fourth proportional to 114,511.12, 157,992.83 and 66,755.24 is: 92,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,511.12 : 157,992.83 = 66,755.24 : x
  2. Step 2: Convert to fraction form
    114,511.12/157,992.83 = 66,755.24/x
  3. Step 3: Cross multiply
    114,511.12x = 157,992.83 × 66,755.24
  4. Step 4: Simplify right side
    114,511.12x = 10,546,849,003.99
  5. Step 5: Solve for x
    x = 10,546,849,003.99/114,511.12
  6. Step 6: Final answer
    x = 92,103.28

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1.5x scale

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.