Home / 74,100.46-102,258.36-42,269.29

Finding the Fourth Proportional to 74,100.46, 102,258.36 and 42,269.29

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Solution

The fourth proportional to 74,100.46, 102,258.36 and 42,269.29 is: 58,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,100.46 : 102,258.36 = 42,269.29 : x
  2. Step 2: Convert to fraction form
    74,100.46/102,258.36 = 42,269.29/x
  3. Step 3: Cross multiply
    74,100.46x = 102,258.36 × 42,269.29
  4. Step 4: Simplify right side
    74,100.46x = 4,322,388,273.76
  5. Step 5: Solve for x
    x = 4,322,388,273.76/74,100.46
  6. Step 6: Final answer
    x = 58,331.46

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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.