Home / 92,004.10-138,006.15-28,824.75

Finding the Fourth Proportional to 92,004.10, 138,006.15 and 28,824.75

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Solution

The fourth proportional to 92,004.10, 138,006.15 and 28,824.75 is: 43,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,004.10 : 138,006.15 = 28,824.75 : x
  2. Step 2: Convert to fraction form
    92,004.10/138,006.15 = 28,824.75/x
  3. Step 3: Cross multiply
    92,004.10x = 138,006.15 × 28,824.75
  4. Step 4: Simplify right side
    92,004.10x = 3,977,992,772.21
  5. Step 5: Solve for x
    x = 3,977,992,772.21/92,004.10
  6. Step 6: Final answer
    x = 43,237.13

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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.