Home / 118,582.70-177,874.05-48,512.30

Finding the Fourth Proportional to 118,582.70, 177,874.05 and 48,512.30

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Solution

The fourth proportional to 118,582.70, 177,874.05 and 48,512.30 is: 72,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,582.70 : 177,874.05 = 48,512.30 : x
  2. Step 2: Convert to fraction form
    118,582.70/177,874.05 = 48,512.30/x
  3. Step 3: Cross multiply
    118,582.70x = 177,874.05 × 48,512.30
  4. Step 4: Simplify right side
    118,582.70x = 8,629,079,275.82
  5. Step 5: Solve for x
    x = 8,629,079,275.82/118,582.70
  6. Step 6: Final answer
    x = 72,768.45

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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.