Home / 48,231.80-72,369.30-17,089.40

Finding the Fourth Proportional to 48,231.80, 72,369.30 and 17,089.40

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Solution

The fourth proportional to 48,231.80, 72,369.30 and 17,089.40 is: 25,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,231.80 : 72,369.30 = 17,089.40 : x
  2. Step 2: Convert to fraction form
    48,231.80/72,369.30 = 17,089.40/x
  3. Step 3: Cross multiply
    48,231.80x = 72,369.30 × 17,089.40
  4. Step 4: Simplify right side
    48,231.80x = 1,236,747,915.42
  5. Step 5: Solve for x
    x = 1,236,747,915.42/48,231.80
  6. Step 6: Final answer
    x = 25,641.75

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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.