Home / 49,051.60-73,577.40-12,115.60

Finding the Fourth Proportional to 49,051.60, 73,577.40 and 12,115.60

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Solution

The fourth proportional to 49,051.60, 73,577.40 and 12,115.60 is: 18,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,051.60 : 73,577.40 = 12,115.60 : x
  2. Step 2: Convert to fraction form
    49,051.60/73,577.40 = 12,115.60/x
  3. Step 3: Cross multiply
    49,051.60x = 73,577.40 × 12,115.60
  4. Step 4: Simplify right side
    49,051.60x = 891,434,347.44
  5. Step 5: Solve for x
    x = 891,434,347.44/49,051.60
  6. Step 6: Final answer
    x = 18,173.40

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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.