Home / 62,605.88-93,867.30-20,471.20

Finding the Fourth Proportional to 62,605.88, 93,867.30 and 20,471.20

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Solution

The fourth proportional to 62,605.88, 93,867.30 and 20,471.20 is: 30,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,605.88 : 93,867.30 = 20,471.20 : x
  2. Step 2: Convert to fraction form
    62,605.88/93,867.30 = 20,471.20/x
  3. Step 3: Cross multiply
    62,605.88x = 93,867.30 × 20,471.20
  4. Step 4: Simplify right side
    62,605.88x = 1,921,576,271.76
  5. Step 5: Solve for x
    x = 1,921,576,271.76/62,605.88
  6. Step 6: Final answer
    x = 30,693.22

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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.