Home / 77,180.22-115,772.76-27,253.44

Finding the Fourth Proportional to 77,180.22, 115,772.76 and 27,253.44

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Solution

The fourth proportional to 77,180.22, 115,772.76 and 27,253.44 is: 40,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,180.22 : 115,772.76 = 27,253.44 : x
  2. Step 2: Convert to fraction form
    77,180.22/115,772.76 = 27,253.44/x
  3. Step 3: Cross multiply
    77,180.22x = 115,772.76 × 27,253.44
  4. Step 4: Simplify right side
    77,180.22x = 3,155,205,968.29
  5. Step 5: Solve for x
    x = 3,155,205,968.29/77,180.22
  6. Step 6: Final answer
    x = 40,881.02

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1.5x scale

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.