Home / 63,072.18-94,610.70-20,955.96

Finding the Fourth Proportional to 63,072.18, 94,610.70 and 20,955.96

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Solution

The fourth proportional to 63,072.18, 94,610.70 and 20,955.96 is: 31,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.18 : 94,610.70 = 20,955.96 : x
  2. Step 2: Convert to fraction form
    63,072.18/94,610.70 = 20,955.96/x
  3. Step 3: Cross multiply
    63,072.18x = 94,610.70 × 20,955.96
  4. Step 4: Simplify right side
    63,072.18x = 1,982,658,044.77
  5. Step 5: Solve for x
    x = 1,982,658,044.77/63,072.18
  6. Step 6: Final answer
    x = 31,434.75

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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.