Home / 74,190.16-111,290.34-29,816.95

Finding the Fourth Proportional to 74,190.16, 111,290.34 and 29,816.95

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Solution

The fourth proportional to 74,190.16, 111,290.34 and 29,816.95 is: 44,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.16 : 111,290.34 = 29,816.95 : x
  2. Step 2: Convert to fraction form
    74,190.16/111,290.34 = 29,816.95/x
  3. Step 3: Cross multiply
    74,190.16x = 111,290.34 × 29,816.95
  4. Step 4: Simplify right side
    74,190.16x = 3,318,338,503.26
  5. Step 5: Solve for x
    x = 3,318,338,503.26/74,190.16
  6. Step 6: Final answer
    x = 44,727.47

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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.