Home / 74,490.40-111,589.80-44,820.10

Finding the Fourth Proportional to 74,490.40, 111,589.80 and 44,820.10

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Solution

The fourth proportional to 74,490.40, 111,589.80 and 44,820.10 is: 67,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490.40 : 111,589.80 = 44,820.10 : x
  2. Step 2: Convert to fraction form
    74,490.40/111,589.80 = 44,820.10/x
  3. Step 3: Cross multiply
    74,490.40x = 111,589.80 × 44,820.10
  4. Step 4: Simplify right side
    74,490.40x = 5,001,465,994.98
  5. Step 5: Solve for x
    x = 5,001,465,994.98/74,490.40
  6. Step 6: Final answer
    x = 67,142.42

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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.