Home / 79,629.40-119,403.80-35,269.74

Finding the Fourth Proportional to 79,629.40, 119,403.80 and 35,269.74

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Solution

The fourth proportional to 79,629.40, 119,403.80 and 35,269.74 is: 52,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,629.40 : 119,403.80 = 35,269.74 : x
  2. Step 2: Convert to fraction form
    79,629.40/119,403.80 = 35,269.74/x
  3. Step 3: Cross multiply
    79,629.40x = 119,403.80 × 35,269.74
  4. Step 4: Simplify right side
    79,629.40x = 4,211,340,981.01
  5. Step 5: Solve for x
    x = 4,211,340,981.01/79,629.40
  6. Step 6: Final answer
    x = 52,886.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.