Home / 98,549.20-147,653.70-45,850.60

Finding the Fourth Proportional to 98,549.20, 147,653.70 and 45,850.60

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Solution

The fourth proportional to 98,549.20, 147,653.70 and 45,850.60 is: 68,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,549.20 : 147,653.70 = 45,850.60 : x
  2. Step 2: Convert to fraction form
    98,549.20/147,653.70 = 45,850.60/x
  3. Step 3: Cross multiply
    98,549.20x = 147,653.70 × 45,850.60
  4. Step 4: Simplify right side
    98,549.20x = 6,770,010,737.22
  5. Step 5: Solve for x
    x = 6,770,010,737.22/98,549.20
  6. Step 6: Final answer
    x = 68,696.76

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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.