Home / 74,495.16-102,774.24-42,647.04

Finding the Fourth Proportional to 74,495.16, 102,774.24 and 42,647.04

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Solution

The fourth proportional to 74,495.16, 102,774.24 and 42,647.04 is: 58,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,495.16 : 102,774.24 = 42,647.04 : x
  2. Step 2: Convert to fraction form
    74,495.16/102,774.24 = 42,647.04/x
  3. Step 3: Cross multiply
    74,495.16x = 102,774.24 × 42,647.04
  4. Step 4: Simplify right side
    74,495.16x = 4,383,017,124.25
  5. Step 5: Solve for x
    x = 4,383,017,124.25/74,495.16
  6. Step 6: Final answer
    x = 58,836.27

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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.