Home / 92,051.24-138,078.57-28,869.96

Finding the Fourth Proportional to 92,051.24, 138,078.57 and 28,869.96

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Solution

The fourth proportional to 92,051.24, 138,078.57 and 28,869.96 is: 43,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,051.24 : 138,078.57 = 28,869.96 : x
  2. Step 2: Convert to fraction form
    92,051.24/138,078.57 = 28,869.96/x
  3. Step 3: Cross multiply
    92,051.24x = 138,078.57 × 28,869.96
  4. Step 4: Simplify right side
    92,051.24x = 3,986,322,792.76
  5. Step 5: Solve for x
    x = 3,986,322,792.76/92,051.24
  6. Step 6: Final answer
    x = 43,305.48

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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.