Home / 45,563.10-68,344.65-42,063.90

Finding the Fourth Proportional to 45,563.10, 68,344.65 and 42,063.90

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Solution

The fourth proportional to 45,563.10, 68,344.65 and 42,063.90 is: 63,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,563.10 : 68,344.65 = 42,063.90 : x
  2. Step 2: Convert to fraction form
    45,563.10/68,344.65 = 42,063.90/x
  3. Step 3: Cross multiply
    45,563.10x = 68,344.65 × 42,063.90
  4. Step 4: Simplify right side
    45,563.10x = 2,874,842,523.14
  5. Step 5: Solve for x
    x = 2,874,842,523.14/45,563.10
  6. Step 6: Final answer
    x = 63,095.85

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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.