Home / 94,738.20-130,751.18-66,039.29

Finding the Fourth Proportional to 94,738.20, 130,751.18 and 66,039.29

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Solution

The fourth proportional to 94,738.20, 130,751.18 and 66,039.29 is: 91,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,738.20 : 130,751.18 = 66,039.29 : x
  2. Step 2: Convert to fraction form
    94,738.20/130,751.18 = 66,039.29/x
  3. Step 3: Cross multiply
    94,738.20x = 130,751.18 × 66,039.29
  4. Step 4: Simplify right side
    94,738.20x = 8,634,715,093.86
  5. Step 5: Solve for x
    x = 8,634,715,093.86/94,738.20
  6. Step 6: Final answer
    x = 91,142.91

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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.