Home / 74,520.72-111,779.46-35,055.96

Finding the Fourth Proportional to 74,520.72, 111,779.46 and 35,055.96

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Solution

The fourth proportional to 74,520.72, 111,779.46 and 35,055.96 is: 52,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,520.72 : 111,779.46 = 35,055.96 : x
  2. Step 2: Convert to fraction form
    74,520.72/111,779.46 = 35,055.96/x
  3. Step 3: Cross multiply
    74,520.72x = 111,779.46 × 35,055.96
  4. Step 4: Simplify right side
    74,520.72x = 3,918,536,278.58
  5. Step 5: Solve for x
    x = 3,918,536,278.58/74,520.72
  6. Step 6: Final answer
    x = 52,583.18

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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.