Home / 113,641.37-170,425.15-53,660.56

Finding the Fourth Proportional to 113,641.37, 170,425.15 and 53,660.56

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Solution

The fourth proportional to 113,641.37, 170,425.15 and 53,660.56 is: 80,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,641.37 : 170,425.15 = 53,660.56 : x
  2. Step 2: Convert to fraction form
    113,641.37/170,425.15 = 53,660.56/x
  3. Step 3: Cross multiply
    113,641.37x = 170,425.15 × 53,660.56
  4. Step 4: Simplify right side
    113,641.37x = 9,145,108,987.08
  5. Step 5: Solve for x
    x = 9,145,108,987.08/113,641.37
  6. Step 6: Final answer
    x = 80,473.41

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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.