Home / 75,555.72-104,255.48-43,285.32

Finding the Fourth Proportional to 75,555.72, 104,255.48 and 43,285.32

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Solution

The fourth proportional to 75,555.72, 104,255.48 and 43,285.32 is: 59,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,555.72 : 104,255.48 = 43,285.32 : x
  2. Step 2: Convert to fraction form
    75,555.72/104,255.48 = 43,285.32/x
  3. Step 3: Cross multiply
    75,555.72x = 104,255.48 × 43,285.32
  4. Step 4: Simplify right side
    75,555.72x = 4,512,731,813.55
  5. Step 5: Solve for x
    x = 4,512,731,813.55/75,555.72
  6. Step 6: Final answer
    x = 59,727.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.