Home / 104,929.32-157,440.46-54,997.55

Finding the Fourth Proportional to 104,929.32, 157,440.46 and 54,997.55

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Solution

The fourth proportional to 104,929.32, 157,440.46 and 54,997.55 is: 82,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.32 : 157,440.46 = 54,997.55 : x
  2. Step 2: Convert to fraction form
    104,929.32/157,440.46 = 54,997.55/x
  3. Step 3: Cross multiply
    104,929.32x = 157,440.46 × 54,997.55
  4. Step 4: Simplify right side
    104,929.32x = 8,658,839,339.70
  5. Step 5: Solve for x
    x = 8,658,839,339.70/104,929.32
  6. Step 6: Final answer
    x = 82,520.68

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1.5x scale

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.