Home / 91,703.48-137,575.04-28,522.41

Finding the Fourth Proportional to 91,703.48, 137,575.04 and 28,522.41

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Solution

The fourth proportional to 91,703.48, 137,575.04 and 28,522.41 is: 42,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703.48 : 137,575.04 = 28,522.41 : x
  2. Step 2: Convert to fraction form
    91,703.48/137,575.04 = 28,522.41/x
  3. Step 3: Cross multiply
    91,703.48x = 137,575.04 × 28,522.41
  4. Step 4: Simplify right side
    91,703.48x = 3,923,971,554.03
  5. Step 5: Solve for x
    x = 3,923,971,554.03/91,703.48
  6. Step 6: Final answer
    x = 42,789.78

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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.