Home / 96,629.40-144,749.70-67,080.60

Finding the Fourth Proportional to 96,629.40, 144,749.70 and 67,080.60

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Solution

The fourth proportional to 96,629.40, 144,749.70 and 67,080.60 is: 100,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,629.40 : 144,749.70 = 67,080.60 : x
  2. Step 2: Convert to fraction form
    96,629.40/144,749.70 = 67,080.60/x
  3. Step 3: Cross multiply
    96,629.40x = 144,749.70 × 67,080.60
  4. Step 4: Simplify right side
    96,629.40x = 9,709,896,725.82
  5. Step 5: Solve for x
    x = 9,709,896,725.82/96,629.40
  6. Step 6: Final answer
    x = 100,485.95

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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.