Home / 55,090.59-76,025.60-29,940.09

Finding the Fourth Proportional to 55,090.59, 76,025.60 and 29,940.09

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Solution

The fourth proportional to 55,090.59, 76,025.60 and 29,940.09 is: 41,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090.59 : 76,025.60 = 29,940.09 : x
  2. Step 2: Convert to fraction form
    55,090.59/76,025.60 = 29,940.09/x
  3. Step 3: Cross multiply
    55,090.59x = 76,025.60 × 29,940.09
  4. Step 4: Simplify right side
    55,090.59x = 2,276,213,306.30
  5. Step 5: Solve for x
    x = 2,276,213,306.30/55,090.59
  6. Step 6: Final answer
    x = 41,317.64

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1.5x scale

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.