Home / 78,195.35-117,275.03-46,614.33

Finding the Fourth Proportional to 78,195.35, 117,275.03 and 46,614.33

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Solution

The fourth proportional to 78,195.35, 117,275.03 and 46,614.33 is: 69,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,195.35 : 117,275.03 = 46,614.33 : x
  2. Step 2: Convert to fraction form
    78,195.35/117,275.03 = 46,614.33/x
  3. Step 3: Cross multiply
    78,195.35x = 117,275.03 × 46,614.33
  4. Step 4: Simplify right side
    78,195.35x = 5,466,696,949.18
  5. Step 5: Solve for x
    x = 5,466,696,949.18/78,195.35
  6. Step 6: Final answer
    x = 69,910.77

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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.