Home / 55,760.54-76,946.90-31,562.60

Finding the Fourth Proportional to 55,760.54, 76,946.90 and 31,562.60

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Solution

The fourth proportional to 55,760.54, 76,946.90 and 31,562.60 is: 43,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,760.54 : 76,946.90 = 31,562.60 : x
  2. Step 2: Convert to fraction form
    55,760.54/76,946.90 = 31,562.60/x
  3. Step 3: Cross multiply
    55,760.54x = 76,946.90 × 31,562.60
  4. Step 4: Simplify right side
    55,760.54x = 2,428,643,683.39
  5. Step 5: Solve for x
    x = 2,428,643,683.39/55,760.54
  6. Step 6: Final answer
    x = 43,554.88

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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.