Home / 75,812.22-113,742.63-36,372.51

Finding the Fourth Proportional to 75,812.22, 113,742.63 and 36,372.51

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Solution

The fourth proportional to 75,812.22, 113,742.63 and 36,372.51 is: 54,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,812.22 : 113,742.63 = 36,372.51 : x
  2. Step 2: Convert to fraction form
    75,812.22/113,742.63 = 36,372.51/x
  3. Step 3: Cross multiply
    75,812.22x = 113,742.63 × 36,372.51
  4. Step 4: Simplify right side
    75,812.22x = 4,137,104,947.10
  5. Step 5: Solve for x
    x = 4,137,104,947.10/75,812.22
  6. Step 6: Final answer
    x = 54,570.42

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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.