Home / 113,472.40-170,305.80-50,389.60

Finding the Fourth Proportional to 113,472.40, 170,305.80 and 50,389.60

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Solution

The fourth proportional to 113,472.40, 170,305.80 and 50,389.60 is: 75,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,472.40 : 170,305.80 = 50,389.60 : x
  2. Step 2: Convert to fraction form
    113,472.40/170,305.80 = 50,389.60/x
  3. Step 3: Cross multiply
    113,472.40x = 170,305.80 × 50,389.60
  4. Step 4: Simplify right side
    113,472.40x = 8,581,641,139.68
  5. Step 5: Solve for x
    x = 8,581,641,139.68/113,472.40
  6. Step 6: Final answer
    x = 75,627.56

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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.