Home / 48,197.62-72,294.30-13,137.28

Finding the Fourth Proportional to 48,197.62, 72,294.30 and 13,137.28

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Solution

The fourth proportional to 48,197.62, 72,294.30 and 13,137.28 is: 19,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,197.62 : 72,294.30 = 13,137.28 : x
  2. Step 2: Convert to fraction form
    48,197.62/72,294.30 = 13,137.28/x
  3. Step 3: Cross multiply
    48,197.62x = 72,294.30 × 13,137.28
  4. Step 4: Simplify right side
    48,197.62x = 949,750,461.50
  5. Step 5: Solve for x
    x = 949,750,461.50/48,197.62
  6. Step 6: Final answer
    x = 19,705.34

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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.