Home / 92,588.96-138,886-57,629.60

Finding the Fourth Proportional to 92,588.96, 138,886 and 57,629.60

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Solution

The fourth proportional to 92,588.96, 138,886 and 57,629.60 is: 86,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,588.96 : 138,886 = 57,629.60 : x
  2. Step 2: Convert to fraction form
    92,588.96/138,886 = 57,629.60/x
  3. Step 3: Cross multiply
    92,588.96x = 138,886 × 57,629.60
  4. Step 4: Simplify right side
    92,588.96x = 8,003,944,625.60
  5. Step 5: Solve for x
    x = 8,003,944,625.60/92,588.96
  6. Step 6: Final answer
    x = 86,445.99

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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.