Home / 49,314.60-74,051.10-45,676.20

Finding the Fourth Proportional to 49,314.60, 74,051.10 and 45,676.20

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Solution

The fourth proportional to 49,314.60, 74,051.10 and 45,676.20 is: 68,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,314.60 : 74,051.10 = 45,676.20 : x
  2. Step 2: Convert to fraction form
    49,314.60/74,051.10 = 45,676.20/x
  3. Step 3: Cross multiply
    49,314.60x = 74,051.10 × 45,676.20
  4. Step 4: Simplify right side
    49,314.60x = 3,382,372,853.82
  5. Step 5: Solve for x
    x = 3,382,372,853.82/49,314.60
  6. Step 6: Final answer
    x = 68,587.66

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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.