Home / 92,985.31-139,537.37-33,815.35

Finding the Fourth Proportional to 92,985.31, 139,537.37 and 33,815.35

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Solution

The fourth proportional to 92,985.31, 139,537.37 and 33,815.35 is: 50,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,985.31 : 139,537.37 = 33,815.35 : x
  2. Step 2: Convert to fraction form
    92,985.31/139,537.37 = 33,815.35/x
  3. Step 3: Cross multiply
    92,985.31x = 139,537.37 × 33,815.35
  4. Step 4: Simplify right side
    92,985.31x = 4,718,505,004.63
  5. Step 5: Solve for x
    x = 4,718,505,004.63/92,985.31
  6. Step 6: Final answer
    x = 50,744.63

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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.