Home / 78,348.02-117,536.60-25,794.41

Finding the Fourth Proportional to 78,348.02, 117,536.60 and 25,794.41

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Solution

The fourth proportional to 78,348.02, 117,536.60 and 25,794.41 is: 38,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,348.02 : 117,536.60 = 25,794.41 : x
  2. Step 2: Convert to fraction form
    78,348.02/117,536.60 = 25,794.41/x
  3. Step 3: Cross multiply
    78,348.02x = 117,536.60 × 25,794.41
  4. Step 4: Simplify right side
    78,348.02x = 3,031,786,727.21
  5. Step 5: Solve for x
    x = 3,031,786,727.21/78,348.02
  6. Step 6: Final answer
    x = 38,696.41

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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.