Home / 58,734.62-81,055.25-31,878.26

Finding the Fourth Proportional to 58,734.62, 81,055.25 and 31,878.26

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Solution

The fourth proportional to 58,734.62, 81,055.25 and 31,878.26 is: 43,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,734.62 : 81,055.25 = 31,878.26 : x
  2. Step 2: Convert to fraction form
    58,734.62/81,055.25 = 31,878.26/x
  3. Step 3: Cross multiply
    58,734.62x = 81,055.25 × 31,878.26
  4. Step 4: Simplify right side
    58,734.62x = 2,583,900,333.87
  5. Step 5: Solve for x
    x = 2,583,900,333.87/58,734.62
  6. Step 6: Final answer
    x = 43,992.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.