Home / 48,045.12-72,099.60-16,880.28

Finding the Fourth Proportional to 48,045.12, 72,099.60 and 16,880.28

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Solution

The fourth proportional to 48,045.12, 72,099.60 and 16,880.28 is: 25,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,045.12 : 72,099.60 = 16,880.28 : x
  2. Step 2: Convert to fraction form
    48,045.12/72,099.60 = 16,880.28/x
  3. Step 3: Cross multiply
    48,045.12x = 72,099.60 × 16,880.28
  4. Step 4: Simplify right side
    48,045.12x = 1,217,061,435.89
  5. Step 5: Solve for x
    x = 1,217,061,435.89/48,045.12
  6. Step 6: Final answer
    x = 25,331.63

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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.