Home / 75,770.45-104,572.72-43,515.19

Finding the Fourth Proportional to 75,770.45, 104,572.72 and 43,515.19

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Solution

The fourth proportional to 75,770.45, 104,572.72 and 43,515.19 is: 60,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770.45 : 104,572.72 = 43,515.19 : x
  2. Step 2: Convert to fraction form
    75,770.45/104,572.72 = 43,515.19/x
  3. Step 3: Cross multiply
    75,770.45x = 104,572.72 × 43,515.19
  4. Step 4: Simplify right side
    75,770.45x = 4,550,501,779.62
  5. Step 5: Solve for x
    x = 4,550,501,779.62/75,770.45
  6. Step 6: Final answer
    x = 60,056.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.