Home / 53,472.14-80,353.60-28,529.81

Finding the Fourth Proportional to 53,472.14, 80,353.60 and 28,529.81

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Solution

The fourth proportional to 53,472.14, 80,353.60 and 28,529.81 is: 42,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472.14 : 80,353.60 = 28,529.81 : x
  2. Step 2: Convert to fraction form
    53,472.14/80,353.60 = 28,529.81/x
  3. Step 3: Cross multiply
    53,472.14x = 80,353.60 × 28,529.81
  4. Step 4: Simplify right side
    53,472.14x = 2,292,472,467.72
  5. Step 5: Solve for x
    x = 2,292,472,467.72/53,472.14
  6. Step 6: Final answer
    x = 42,872.28

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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.