Home / 57,090.60-78,860.33-43,825.77

Finding the Fourth Proportional to 57,090.60, 78,860.33 and 43,825.77

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Solution

The fourth proportional to 57,090.60, 78,860.33 and 43,825.77 is: 60,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090.60 : 78,860.33 = 43,825.77 : x
  2. Step 2: Convert to fraction form
    57,090.60/78,860.33 = 43,825.77/x
  3. Step 3: Cross multiply
    57,090.60x = 78,860.33 × 43,825.77
  4. Step 4: Simplify right side
    57,090.60x = 3,456,114,465.58
  5. Step 5: Solve for x
    x = 3,456,114,465.58/57,090.60
  6. Step 6: Final answer
    x = 60,537.36

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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.