Home / 94,161.66-129,942.56-51,140.68

Finding the Fourth Proportional to 94,161.66, 129,942.56 and 51,140.68

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Solution

The fourth proportional to 94,161.66, 129,942.56 and 51,140.68 is: 70,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,161.66 : 129,942.56 = 51,140.68 : x
  2. Step 2: Convert to fraction form
    94,161.66/129,942.56 = 51,140.68/x
  3. Step 3: Cross multiply
    94,161.66x = 129,942.56 × 51,140.68
  4. Step 4: Simplify right side
    94,161.66x = 6,645,350,879.34
  5. Step 5: Solve for x
    x = 6,645,350,879.34/94,161.66
  6. Step 6: Final answer
    x = 70,573.85

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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.