Home / 96,427.40-144,446.70-66,878.60

Finding the Fourth Proportional to 96,427.40, 144,446.70 and 66,878.60

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Solution

The fourth proportional to 96,427.40, 144,446.70 and 66,878.60 is: 100,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,427.40 : 144,446.70 = 66,878.60 : x
  2. Step 2: Convert to fraction form
    96,427.40/144,446.70 = 66,878.60/x
  3. Step 3: Cross multiply
    96,427.40x = 144,446.70 × 66,878.60
  4. Step 4: Simplify right side
    96,427.40x = 9,660,393,070.62
  5. Step 5: Solve for x
    x = 9,660,393,070.62/96,427.40
  6. Step 6: Final answer
    x = 100,183.07

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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.