Home / 45,750.53-68,612.60-15,763.55

Finding the Fourth Proportional to 45,750.53, 68,612.60 and 15,763.55

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Solution

The fourth proportional to 45,750.53, 68,612.60 and 15,763.55 is: 23,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,750.53 : 68,612.60 = 15,763.55 : x
  2. Step 2: Convert to fraction form
    45,750.53/68,612.60 = 15,763.55/x
  3. Step 3: Cross multiply
    45,750.53x = 68,612.60 × 15,763.55
  4. Step 4: Simplify right side
    45,750.53x = 1,081,578,150.73
  5. Step 5: Solve for x
    x = 1,081,578,150.73/45,750.53
  6. Step 6: Final answer
    x = 23,640.78

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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.