Home / 88,289.20-132,433.80-53,297.20

Finding the Fourth Proportional to 88,289.20, 132,433.80 and 53,297.20

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Solution

The fourth proportional to 88,289.20, 132,433.80 and 53,297.20 is: 79,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,289.20 : 132,433.80 = 53,297.20 : x
  2. Step 2: Convert to fraction form
    88,289.20/132,433.80 = 53,297.20/x
  3. Step 3: Cross multiply
    88,289.20x = 132,433.80 × 53,297.20
  4. Step 4: Simplify right side
    88,289.20x = 7,058,350,725.36
  5. Step 5: Solve for x
    x = 7,058,350,725.36/88,289.20
  6. Step 6: Final answer
    x = 79,945.80

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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.