Home / 62,823.60-94,235.40-21,270.60

Finding the Fourth Proportional to 62,823.60, 94,235.40 and 21,270.60

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Solution

The fourth proportional to 62,823.60, 94,235.40 and 21,270.60 is: 31,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,823.60 : 94,235.40 = 21,270.60 : x
  2. Step 2: Convert to fraction form
    62,823.60/94,235.40 = 21,270.60/x
  3. Step 3: Cross multiply
    62,823.60x = 94,235.40 × 21,270.60
  4. Step 4: Simplify right side
    62,823.60x = 2,004,443,499.24
  5. Step 5: Solve for x
    x = 2,004,443,499.24/62,823.60
  6. Step 6: Final answer
    x = 31,905.90

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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.