Home / 48,202.98-72,294.75-13,138.08

Finding the Fourth Proportional to 48,202.98, 72,294.75 and 13,138.08

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Solution

The fourth proportional to 48,202.98, 72,294.75 and 13,138.08 is: 19,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,202.98 : 72,294.75 = 13,138.08 : x
  2. Step 2: Convert to fraction form
    48,202.98/72,294.75 = 13,138.08/x
  3. Step 3: Cross multiply
    48,202.98x = 72,294.75 × 13,138.08
  4. Step 4: Simplify right side
    48,202.98x = 949,814,209.08
  5. Step 5: Solve for x
    x = 949,814,209.08/48,202.98
  6. Step 6: Final answer
    x = 19,704.47

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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.