Home / 113,520.64-170,104.38-43,361.68

Finding the Fourth Proportional to 113,520.64, 170,104.38 and 43,361.68

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Solution

The fourth proportional to 113,520.64, 170,104.38 and 43,361.68 is: 64,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,520.64 : 170,104.38 = 43,361.68 : x
  2. Step 2: Convert to fraction form
    113,520.64/170,104.38 = 43,361.68/x
  3. Step 3: Cross multiply
    113,520.64x = 170,104.38 × 43,361.68
  4. Step 4: Simplify right side
    113,520.64x = 7,376,011,692.16
  5. Step 5: Solve for x
    x = 7,376,011,692.16/113,520.64
  6. Step 6: Final answer
    x = 64,975.07

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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.