Home / 74,042.67-102,181.23-40,508.67

Finding the Fourth Proportional to 74,042.67, 102,181.23 and 40,508.67

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Solution

The fourth proportional to 74,042.67, 102,181.23 and 40,508.67 is: 55,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,042.67 : 102,181.23 = 40,508.67 : x
  2. Step 2: Convert to fraction form
    74,042.67/102,181.23 = 40,508.67/x
  3. Step 3: Cross multiply
    74,042.67x = 102,181.23 × 40,508.67
  4. Step 4: Simplify right side
    74,042.67x = 4,139,225,726.26
  5. Step 5: Solve for x
    x = 4,139,225,726.26/74,042.67
  6. Step 6: Final answer
    x = 55,903.25

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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.