Home / 89,820.02-123,950.12-49,537.44

Finding the Fourth Proportional to 89,820.02, 123,950.12 and 49,537.44

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Solution

The fourth proportional to 89,820.02, 123,950.12 and 49,537.44 is: 68,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,820.02 : 123,950.12 = 49,537.44 : x
  2. Step 2: Convert to fraction form
    89,820.02/123,950.12 = 49,537.44/x
  3. Step 3: Cross multiply
    89,820.02x = 123,950.12 × 49,537.44
  4. Step 4: Simplify right side
    89,820.02x = 6,140,171,384.81
  5. Step 5: Solve for x
    x = 6,140,171,384.81/89,820.02
  6. Step 6: Final answer
    x = 68,360.83

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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.