Home / 55,627.19-76,771.02-31,757.46

Finding the Fourth Proportional to 55,627.19, 76,771.02 and 31,757.46

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Solution

The fourth proportional to 55,627.19, 76,771.02 and 31,757.46 is: 43,828.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627.19 : 76,771.02 = 31,757.46 : x
  2. Step 2: Convert to fraction form
    55,627.19/76,771.02 = 31,757.46/x
  3. Step 3: Cross multiply
    55,627.19x = 76,771.02 × 31,757.46
  4. Step 4: Simplify right side
    55,627.19x = 2,438,052,596.81
  5. Step 5: Solve for x
    x = 2,438,052,596.81/55,627.19
  6. Step 6: Final answer
    x = 43,828.44

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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.