Home / 92,090.43-138,151.35-28,898.37

Finding the Fourth Proportional to 92,090.43, 138,151.35 and 28,898.37

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Solution

The fourth proportional to 92,090.43, 138,151.35 and 28,898.37 is: 43,352.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,090.43 : 138,151.35 = 28,898.37 : x
  2. Step 2: Convert to fraction form
    92,090.43/138,151.35 = 28,898.37/x
  3. Step 3: Cross multiply
    92,090.43x = 138,151.35 × 28,898.37
  4. Step 4: Simplify right side
    92,090.43x = 3,992,348,828.30
  5. Step 5: Solve for x
    x = 3,992,348,828.30/92,090.43
  6. Step 6: Final answer
    x = 43,352.48

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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.