Home / 62,431.98-93,628.45-20,869.26

Finding the Fourth Proportional to 62,431.98, 93,628.45 and 20,869.26

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Solution

The fourth proportional to 62,431.98, 93,628.45 and 20,869.26 is: 31,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431.98 : 93,628.45 = 20,869.26 : x
  2. Step 2: Convert to fraction form
    62,431.98/93,628.45 = 20,869.26/x
  3. Step 3: Cross multiply
    62,431.98x = 93,628.45 × 20,869.26
  4. Step 4: Simplify right side
    62,431.98x = 1,953,956,466.45
  5. Step 5: Solve for x
    x = 1,953,956,466.45/62,431.98
  6. Step 6: Final answer
    x = 31,297.37

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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.