Home / 113,857.14-170,731.04-53,835.60

Finding the Fourth Proportional to 113,857.14, 170,731.04 and 53,835.60

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Solution

The fourth proportional to 113,857.14, 170,731.04 and 53,835.60 is: 80,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,857.14 : 170,731.04 = 53,835.60 : x
  2. Step 2: Convert to fraction form
    113,857.14/170,731.04 = 53,835.60/x
  3. Step 3: Cross multiply
    113,857.14x = 170,731.04 × 53,835.60
  4. Step 4: Simplify right side
    113,857.14x = 9,191,407,977.02
  5. Step 5: Solve for x
    x = 9,191,407,977.02/113,857.14
  6. Step 6: Final answer
    x = 80,727.55

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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.