Home / 113,083.10-156,057.39-61,402.38

Finding the Fourth Proportional to 113,083.10, 156,057.39 and 61,402.38

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Solution

The fourth proportional to 113,083.10, 156,057.39 and 61,402.38 is: 84,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,083.10 : 156,057.39 = 61,402.38 : x
  2. Step 2: Convert to fraction form
    113,083.10/156,057.39 = 61,402.38/x
  3. Step 3: Cross multiply
    113,083.10x = 156,057.39 × 61,402.38
  4. Step 4: Simplify right side
    113,083.10x = 9,582,294,577.37
  5. Step 5: Solve for x
    x = 9,582,294,577.37/113,083.10
  6. Step 6: Final answer
    x = 84,736.75

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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.