Home / 92,167.48-138,136.20-39,515.86

Finding the Fourth Proportional to 92,167.48, 138,136.20 and 39,515.86

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Solution

The fourth proportional to 92,167.48, 138,136.20 and 39,515.86 is: 59,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,167.48 : 138,136.20 = 39,515.86 : x
  2. Step 2: Convert to fraction form
    92,167.48/138,136.20 = 39,515.86/x
  3. Step 3: Cross multiply
    92,167.48x = 138,136.20 × 39,515.86
  4. Step 4: Simplify right side
    92,167.48x = 5,458,570,740.13
  5. Step 5: Solve for x
    x = 5,458,570,740.13/92,167.48
  6. Step 6: Final answer
    x = 59,224.48

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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.