Home / 76,838.25-106,037.61-43,304.25

Finding the Fourth Proportional to 76,838.25, 106,037.61 and 43,304.25

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Solution

The fourth proportional to 76,838.25, 106,037.61 and 43,304.25 is: 59,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,838.25 : 106,037.61 = 43,304.25 : x
  2. Step 2: Convert to fraction form
    76,838.25/106,037.61 = 43,304.25/x
  3. Step 3: Cross multiply
    76,838.25x = 106,037.61 × 43,304.25
  4. Step 4: Simplify right side
    76,838.25x = 4,591,879,172.84
  5. Step 5: Solve for x
    x = 4,591,879,172.84/76,838.25
  6. Step 6: Final answer
    x = 59,760.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.