Home / 92,578.05-138,755.79-42,589.26

Finding the Fourth Proportional to 92,578.05, 138,755.79 and 42,589.26

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Solution

The fourth proportional to 92,578.05, 138,755.79 and 42,589.26 is: 63,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,578.05 : 138,755.79 = 42,589.26 : x
  2. Step 2: Convert to fraction form
    92,578.05/138,755.79 = 42,589.26/x
  3. Step 3: Cross multiply
    92,578.05x = 138,755.79 × 42,589.26
  4. Step 4: Simplify right side
    92,578.05x = 5,909,506,416.82
  5. Step 5: Solve for x
    x = 5,909,506,416.82/92,578.05
  6. Step 6: Final answer
    x = 63,832.69

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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.