Home / 45,431.85-68,159.12-44,678.46

Finding the Fourth Proportional to 45,431.85, 68,159.12 and 44,678.46

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Solution

The fourth proportional to 45,431.85, 68,159.12 and 44,678.46 is: 67,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.85 : 68,159.12 = 44,678.46 : x
  2. Step 2: Convert to fraction form
    45,431.85/68,159.12 = 44,678.46/x
  3. Step 3: Cross multiply
    45,431.85x = 68,159.12 × 44,678.46
  4. Step 4: Simplify right side
    45,431.85x = 3,045,244,293.16
  5. Step 5: Solve for x
    x = 3,045,244,293.16/45,431.85
  6. Step 6: Final answer
    x = 67,028.84

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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.