Home / 74,023.37-102,161.99-42,184.97

Finding the Fourth Proportional to 74,023.37, 102,161.99 and 42,184.97

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Solution

The fourth proportional to 74,023.37, 102,161.99 and 42,184.97 is: 58,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,023.37 : 102,161.99 = 42,184.97 : x
  2. Step 2: Convert to fraction form
    74,023.37/102,161.99 = 42,184.97/x
  3. Step 3: Cross multiply
    74,023.37x = 102,161.99 × 42,184.97
  4. Step 4: Simplify right side
    74,023.37x = 4,309,700,483.29
  5. Step 5: Solve for x
    x = 4,309,700,483.29/74,023.37
  6. Step 6: Final answer
    x = 58,220.81

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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.