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Finding the Fourth Proportional to 49,336.80, 74,005.20 and 48,899.40

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Solution

The fourth proportional to 49,336.80, 74,005.20 and 48,899.40 is: 73,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,336.80 : 74,005.20 = 48,899.40 : x
  2. Step 2: Convert to fraction form
    49,336.80/74,005.20 = 48,899.40/x
  3. Step 3: Cross multiply
    49,336.80x = 74,005.20 × 48,899.40
  4. Step 4: Simplify right side
    49,336.80x = 3,618,809,876.88
  5. Step 5: Solve for x
    x = 3,618,809,876.88/49,336.80
  6. Step 6: Final answer
    x = 73,349.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.