Home / 85,579.55-118,090.69-47,333.02

Finding the Fourth Proportional to 85,579.55, 118,090.69 and 47,333.02

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Solution

The fourth proportional to 85,579.55, 118,090.69 and 47,333.02 is: 65,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,579.55 : 118,090.69 = 47,333.02 : x
  2. Step 2: Convert to fraction form
    85,579.55/118,090.69 = 47,333.02/x
  3. Step 3: Cross multiply
    85,579.55x = 118,090.69 × 47,333.02
  4. Step 4: Simplify right side
    85,579.55x = 5,589,588,991.58
  5. Step 5: Solve for x
    x = 5,589,588,991.58/85,579.55
  6. Step 6: Final answer
    x = 65,314.54

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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.