Home / 55,572.24-76,687.80-31,706.64

Finding the Fourth Proportional to 55,572.24, 76,687.80 and 31,706.64

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Solution

The fourth proportional to 55,572.24, 76,687.80 and 31,706.64 is: 43,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,572.24 : 76,687.80 = 31,706.64 : x
  2. Step 2: Convert to fraction form
    55,572.24/76,687.80 = 31,706.64/x
  3. Step 3: Cross multiply
    55,572.24x = 76,687.80 × 31,706.64
  4. Step 4: Simplify right side
    55,572.24x = 2,431,512,466.99
  5. Step 5: Solve for x
    x = 2,431,512,466.99/55,572.24
  6. Step 6: Final answer
    x = 43,754.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.