Home / 118,690.74-178,035.57-48,570.06

Finding the Fourth Proportional to 118,690.74, 178,035.57 and 48,570.06

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Solution

The fourth proportional to 118,690.74, 178,035.57 and 48,570.06 is: 72,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,690.74 : 178,035.57 = 48,570.06 : x
  2. Step 2: Convert to fraction form
    118,690.74/178,035.57 = 48,570.06/x
  3. Step 3: Cross multiply
    118,690.74x = 178,035.57 × 48,570.06
  4. Step 4: Simplify right side
    118,690.74x = 8,647,198,317.03
  5. Step 5: Solve for x
    x = 8,647,198,317.03/118,690.74
  6. Step 6: Final answer
    x = 72,854.87

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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.