Home / 74,268.28-111,374.70-29,880.04

Finding the Fourth Proportional to 74,268.28, 111,374.70 and 29,880.04

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Solution

The fourth proportional to 74,268.28, 111,374.70 and 29,880.04 is: 44,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,268.28 : 111,374.70 = 29,880.04 : x
  2. Step 2: Convert to fraction form
    74,268.28/111,374.70 = 29,880.04/x
  3. Step 3: Cross multiply
    74,268.28x = 111,374.70 × 29,880.04
  4. Step 4: Simplify right side
    74,268.28x = 3,327,880,490.99
  5. Step 5: Solve for x
    x = 3,327,880,490.99/74,268.28
  6. Step 6: Final answer
    x = 44,808.91

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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.