Home / 48,740.94-73,117.89-13,680.90

Finding the Fourth Proportional to 48,740.94, 73,117.89 and 13,680.90

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Solution

The fourth proportional to 48,740.94, 73,117.89 and 13,680.90 is: 20,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740.94 : 73,117.89 = 13,680.90 : x
  2. Step 2: Convert to fraction form
    48,740.94/73,117.89 = 13,680.90/x
  3. Step 3: Cross multiply
    48,740.94x = 73,117.89 × 13,680.90
  4. Step 4: Simplify right side
    48,740.94x = 1,000,318,541.30
  5. Step 5: Solve for x
    x = 1,000,318,541.30/48,740.94
  6. Step 6: Final answer
    x = 20,523.17

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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.