Home / 92,791.32-139,181.94-57,259.41

Finding the Fourth Proportional to 92,791.32, 139,181.94 and 57,259.41

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Solution

The fourth proportional to 92,791.32, 139,181.94 and 57,259.41 is: 85,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,791.32 : 139,181.94 = 57,259.41 : x
  2. Step 2: Convert to fraction form
    92,791.32/139,181.94 = 57,259.41/x
  3. Step 3: Cross multiply
    92,791.32x = 139,181.94 × 57,259.41
  4. Step 4: Simplify right side
    92,791.32x = 7,969,475,767.06
  5. Step 5: Solve for x
    x = 7,969,475,767.06/92,791.32
  6. Step 6: Final answer
    x = 85,886.00

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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.