Home / 74,087.10-111,166.02-34,638.48

Finding the Fourth Proportional to 74,087.10, 111,166.02 and 34,638.48

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Solution

The fourth proportional to 74,087.10, 111,166.02 and 34,638.48 is: 51,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,087.10 : 111,166.02 = 34,638.48 : x
  2. Step 2: Convert to fraction form
    74,087.10/111,166.02 = 34,638.48/x
  3. Step 3: Cross multiply
    74,087.10x = 111,166.02 × 34,638.48
  4. Step 4: Simplify right side
    74,087.10x = 3,850,621,960.45
  5. Step 5: Solve for x
    x = 3,850,621,960.45/74,087.10
  6. Step 6: Final answer
    x = 51,974.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.