Home / 54,701.10-82,051.65-45,515.70

Finding the Fourth Proportional to 54,701.10, 82,051.65 and 45,515.70

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Solution

The fourth proportional to 54,701.10, 82,051.65 and 45,515.70 is: 68,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,701.10 : 82,051.65 = 45,515.70 : x
  2. Step 2: Convert to fraction form
    54,701.10/82,051.65 = 45,515.70/x
  3. Step 3: Cross multiply
    54,701.10x = 82,051.65 × 45,515.70
  4. Step 4: Simplify right side
    54,701.10x = 3,734,638,285.91
  5. Step 5: Solve for x
    x = 3,734,638,285.91/54,701.10
  6. Step 6: Final answer
    x = 68,273.55

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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.