Home / 118,409.03-177,683.60-43,581.72

Finding the Fourth Proportional to 118,409.03, 177,683.60 and 43,581.72

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Solution

The fourth proportional to 118,409.03, 177,683.60 and 43,581.72 is: 65,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,409.03 : 177,683.60 = 43,581.72 : x
  2. Step 2: Convert to fraction form
    118,409.03/177,683.60 = 43,581.72/x
  3. Step 3: Cross multiply
    118,409.03x = 177,683.60 × 43,581.72
  4. Step 4: Simplify right side
    118,409.03x = 7,743,756,903.79
  5. Step 5: Solve for x
    x = 7,743,756,903.79/118,409.03
  6. Step 6: Final answer
    x = 65,398.36

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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.