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Finding the Fourth Proportional to 92,600.51, 138,805.41 and 36,417.84

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Solution

The fourth proportional to 92,600.51, 138,805.41 and 36,417.84 is: 54,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,600.51 : 138,805.41 = 36,417.84 : x
  2. Step 2: Convert to fraction form
    92,600.51/138,805.41 = 36,417.84/x
  3. Step 3: Cross multiply
    92,600.51x = 138,805.41 × 36,417.84
  4. Step 4: Simplify right side
    92,600.51x = 5,054,992,828.56
  5. Step 5: Solve for x
    x = 5,054,992,828.56/92,600.51
  6. Step 6: Final answer
    x = 54,589.26

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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.