Home / 103,621.22-155,228.44-53,733.93

Finding the Fourth Proportional to 103,621.22, 155,228.44 and 53,733.93

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Solution

The fourth proportional to 103,621.22, 155,228.44 and 53,733.93 is: 80,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.22 : 155,228.44 = 53,733.93 : x
  2. Step 2: Convert to fraction form
    103,621.22/155,228.44 = 53,733.93/x
  3. Step 3: Cross multiply
    103,621.22x = 155,228.44 × 53,733.93
  4. Step 4: Simplify right side
    103,621.22x = 8,341,034,128.97
  5. Step 5: Solve for x
    x = 8,341,034,128.97/103,621.22
  6. Step 6: Final answer
    x = 80,495.42

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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.