Home / 74,273.37-102,495.33-42,442.28

Finding the Fourth Proportional to 74,273.37, 102,495.33 and 42,442.28

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Solution

The fourth proportional to 74,273.37, 102,495.33 and 42,442.28 is: 58,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.37 : 102,495.33 = 42,442.28 : x
  2. Step 2: Convert to fraction form
    74,273.37/102,495.33 = 42,442.28/x
  3. Step 3: Cross multiply
    74,273.37x = 102,495.33 × 42,442.28
  4. Step 4: Simplify right side
    74,273.37x = 4,350,134,982.08
  5. Step 5: Solve for x
    x = 4,350,134,982.08/74,273.37
  6. Step 6: Final answer
    x = 58,569.24

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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.