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Finding the Fourth Proportional to 92,039.52, 138,051.99 and 32,869.02

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Solution

The fourth proportional to 92,039.52, 138,051.99 and 32,869.02 is: 49,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,039.52 : 138,051.99 = 32,869.02 : x
  2. Step 2: Convert to fraction form
    92,039.52/138,051.99 = 32,869.02/x
  3. Step 3: Cross multiply
    92,039.52x = 138,051.99 × 32,869.02
  4. Step 4: Simplify right side
    92,039.52x = 4,537,633,620.35
  5. Step 5: Solve for x
    x = 4,537,633,620.35/92,039.52
  6. Step 6: Final answer
    x = 49,300.93

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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.