Home / 118,530.24-177,795-39,626.40

Finding the Fourth Proportional to 118,530.24, 177,795 and 39,626.40

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Solution

The fourth proportional to 118,530.24, 177,795 and 39,626.40 is: 59,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,530.24 : 177,795 = 39,626.40 : x
  2. Step 2: Convert to fraction form
    118,530.24/177,795 = 39,626.40/x
  3. Step 3: Cross multiply
    118,530.24x = 177,795 × 39,626.40
  4. Step 4: Simplify right side
    118,530.24x = 7,045,375,788
  5. Step 5: Solve for x
    x = 7,045,375,788/118,530.24
  6. Step 6: Final answer
    x = 59,439.48

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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.