Home / 118,485.94-177,711.39-43,588.57

Finding the Fourth Proportional to 118,485.94, 177,711.39 and 43,588.57

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Solution

The fourth proportional to 118,485.94, 177,711.39 and 43,588.57 is: 65,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,485.94 : 177,711.39 = 43,588.57 : x
  2. Step 2: Convert to fraction form
    118,485.94/177,711.39 = 43,588.57/x
  3. Step 3: Cross multiply
    118,485.94x = 177,711.39 × 43,588.57
  4. Step 4: Simplify right side
    118,485.94x = 7,746,185,362.81
  5. Step 5: Solve for x
    x = 7,746,185,362.81/118,485.94
  6. Step 6: Final answer
    x = 65,376.41

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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.