Home / 74,166.10-111,285.60-34,716.40

Finding the Fourth Proportional to 74,166.10, 111,285.60 and 34,716.40

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Solution

The fourth proportional to 74,166.10, 111,285.60 and 34,716.40 is: 52,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.10 : 111,285.60 = 34,716.40 : x
  2. Step 2: Convert to fraction form
    74,166.10/111,285.60 = 34,716.40/x
  3. Step 3: Cross multiply
    74,166.10x = 111,285.60 × 34,716.40
  4. Step 4: Simplify right side
    74,166.10x = 3,863,435,403.84
  5. Step 5: Solve for x
    x = 3,863,435,403.84/74,166.10
  6. Step 6: Final answer
    x = 52,091.66

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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.