Home / 72,466.20-108,699.30-62,443.80

Finding the Fourth Proportional to 72,466.20, 108,699.30 and 62,443.80

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Solution

The fourth proportional to 72,466.20, 108,699.30 and 62,443.80 is: 93,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,466.20 : 108,699.30 = 62,443.80 : x
  2. Step 2: Convert to fraction form
    72,466.20/108,699.30 = 62,443.80/x
  3. Step 3: Cross multiply
    72,466.20x = 108,699.30 × 62,443.80
  4. Step 4: Simplify right side
    72,466.20x = 6,787,597,349.34
  5. Step 5: Solve for x
    x = 6,787,597,349.34/72,466.20
  6. Step 6: Final answer
    x = 93,665.70

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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.