Home / 62,271.75-93,408.44-20,718.75

Finding the Fourth Proportional to 62,271.75, 93,408.44 and 20,718.75

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Solution

The fourth proportional to 62,271.75, 93,408.44 and 20,718.75 is: 31,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,271.75 : 93,408.44 = 20,718.75 : x
  2. Step 2: Convert to fraction form
    62,271.75/93,408.44 = 20,718.75/x
  3. Step 3: Cross multiply
    62,271.75x = 93,408.44 × 20,718.75
  4. Step 4: Simplify right side
    62,271.75x = 1,935,306,116.25
  5. Step 5: Solve for x
    x = 1,935,306,116.25/62,271.75
  6. Step 6: Final answer
    x = 31,078.40

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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.