Home / 107,696.57-161,533.44-28,818.77

Finding the Fourth Proportional to 107,696.57, 161,533.44 and 28,818.77

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Solution

The fourth proportional to 107,696.57, 161,533.44 and 28,818.77 is: 43,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,696.57 : 161,533.44 = 28,818.77 : x
  2. Step 2: Convert to fraction form
    107,696.57/161,533.44 = 28,818.77/x
  3. Step 3: Cross multiply
    107,696.57x = 161,533.44 × 28,818.77
  4. Step 4: Simplify right side
    107,696.57x = 4,655,194,247.00
  5. Step 5: Solve for x
    x = 4,655,194,247.00/107,696.57
  6. Step 6: Final answer
    x = 43,225.09

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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.