Home / 89,984.12-124,175.70-49,697.01

Finding the Fourth Proportional to 89,984.12, 124,175.70 and 49,697.01

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Solution

The fourth proportional to 89,984.12, 124,175.70 and 49,697.01 is: 68,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.12 : 124,175.70 = 49,697.01 : x
  2. Step 2: Convert to fraction form
    89,984.12/124,175.70 = 49,697.01/x
  3. Step 3: Cross multiply
    89,984.12x = 124,175.70 × 49,697.01
  4. Step 4: Simplify right side
    89,984.12x = 6,171,161,004.66
  5. Step 5: Solve for x
    x = 6,171,161,004.66/89,984.12
  6. Step 6: Final answer
    x = 68,580.56

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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.