Home / 89,066.77-122,912.97-51,341.02

Finding the Fourth Proportional to 89,066.77, 122,912.97 and 51,341.02

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Solution

The fourth proportional to 89,066.77, 122,912.97 and 51,341.02 is: 70,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,066.77 : 122,912.97 = 51,341.02 : x
  2. Step 2: Convert to fraction form
    89,066.77/122,912.97 = 51,341.02/x
  3. Step 3: Cross multiply
    89,066.77x = 122,912.97 × 51,341.02
  4. Step 4: Simplify right side
    89,066.77x = 6,310,477,251.03
  5. Step 5: Solve for x
    x = 6,310,477,251.03/89,066.77
  6. Step 6: Final answer
    x = 70,851.08

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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.