Home / 45,855.74-68,755.32-30,041.42

Finding the Fourth Proportional to 45,855.74, 68,755.32 and 30,041.42

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Solution

The fourth proportional to 45,855.74, 68,755.32 and 30,041.42 is: 45,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855.74 : 68,755.32 = 30,041.42 : x
  2. Step 2: Convert to fraction form
    45,855.74/68,755.32 = 30,041.42/x
  3. Step 3: Cross multiply
    45,855.74x = 68,755.32 × 30,041.42
  4. Step 4: Simplify right side
    45,855.74x = 2,065,507,445.35
  5. Step 5: Solve for x
    x = 2,065,507,445.35/45,855.74
  6. Step 6: Final answer
    x = 45,043.60

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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.