Home / 53,783.58-80,564.40-31,529.37

Finding the Fourth Proportional to 53,783.58, 80,564.40 and 31,529.37

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Solution

The fourth proportional to 53,783.58, 80,564.40 and 31,529.37 is: 47,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,783.58 : 80,564.40 = 31,529.37 : x
  2. Step 2: Convert to fraction form
    53,783.58/80,564.40 = 31,529.37/x
  3. Step 3: Cross multiply
    53,783.58x = 80,564.40 × 31,529.37
  4. Step 4: Simplify right side
    53,783.58x = 2,540,144,776.43
  5. Step 5: Solve for x
    x = 2,540,144,776.43/53,783.58
  6. Step 6: Final answer
    x = 47,229.00

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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.