Home / 118,629.59-177,946.43-43,711.16

Finding the Fourth Proportional to 118,629.59, 177,946.43 and 43,711.16

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Solution

The fourth proportional to 118,629.59, 177,946.43 and 43,711.16 is: 65,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,629.59 : 177,946.43 = 43,711.16 : x
  2. Step 2: Convert to fraction form
    118,629.59/177,946.43 = 43,711.16/x
  3. Step 3: Cross multiply
    118,629.59x = 177,946.43 × 43,711.16
  4. Step 4: Simplify right side
    118,629.59x = 7,778,243,764.87
  5. Step 5: Solve for x
    x = 7,778,243,764.87/118,629.59
  6. Step 6: Final answer
    x = 65,567.49

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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.