Home / 77,161.04-115,752.32-23,857.37

Finding the Fourth Proportional to 77,161.04, 115,752.32 and 23,857.37

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Solution

The fourth proportional to 77,161.04, 115,752.32 and 23,857.37 is: 35,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161.04 : 115,752.32 = 23,857.37 : x
  2. Step 2: Convert to fraction form
    77,161.04/115,752.32 = 23,857.37/x
  3. Step 3: Cross multiply
    77,161.04x = 115,752.32 × 23,857.37
  4. Step 4: Simplify right side
    77,161.04x = 2,761,545,926.60
  5. Step 5: Solve for x
    x = 2,761,545,926.60/77,161.04
  6. Step 6: Final answer
    x = 35,789.38

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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.