Home / 89,984.16-124,175.77-49,697.06

Finding the Fourth Proportional to 89,984.16, 124,175.77 and 49,697.06

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Solution

The fourth proportional to 89,984.16, 124,175.77 and 49,697.06 is: 68,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.16 : 124,175.77 = 49,697.06 : x
  2. Step 2: Convert to fraction form
    89,984.16/124,175.77 = 49,697.06/x
  3. Step 3: Cross multiply
    89,984.16x = 124,175.77 × 49,697.06
  4. Step 4: Simplify right side
    89,984.16x = 6,171,170,692.24
  5. Step 5: Solve for x
    x = 6,171,170,692.24/89,984.16
  6. Step 6: Final answer
    x = 68,580.63

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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.