Home / 74,331.66-102,569.67-42,069.54

Finding the Fourth Proportional to 74,331.66, 102,569.67 and 42,069.54

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Solution

The fourth proportional to 74,331.66, 102,569.67 and 42,069.54 is: 58,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.66 : 102,569.67 = 42,069.54 : x
  2. Step 2: Convert to fraction form
    74,331.66/102,569.67 = 42,069.54/x
  3. Step 3: Cross multiply
    74,331.66x = 102,569.67 × 42,069.54
  4. Step 4: Simplify right side
    74,331.66x = 4,315,058,834.85
  5. Step 5: Solve for x
    x = 4,315,058,834.85/74,331.66
  6. Step 6: Final answer
    x = 58,051.43

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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.