Home / 54,962.40-82,443.60-48,620.10

Finding the Fourth Proportional to 54,962.40, 82,443.60 and 48,620.10

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Solution

The fourth proportional to 54,962.40, 82,443.60 and 48,620.10 is: 72,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,962.40 : 82,443.60 = 48,620.10 : x
  2. Step 2: Convert to fraction form
    54,962.40/82,443.60 = 48,620.10/x
  3. Step 3: Cross multiply
    54,962.40x = 82,443.60 × 48,620.10
  4. Step 4: Simplify right side
    54,962.40x = 4,008,416,076.36
  5. Step 5: Solve for x
    x = 4,008,416,076.36/54,962.40
  6. Step 6: Final answer
    x = 72,930.15

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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.