Home / 117,969.01-162,791.63-64,253.77

Finding the Fourth Proportional to 117,969.01, 162,791.63 and 64,253.77

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Solution

The fourth proportional to 117,969.01, 162,791.63 and 64,253.77 is: 88,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,969.01 : 162,791.63 = 64,253.77 : x
  2. Step 2: Convert to fraction form
    117,969.01/162,791.63 = 64,253.77/x
  3. Step 3: Cross multiply
    117,969.01x = 162,791.63 × 64,253.77
  4. Step 4: Simplify right side
    117,969.01x = 10,459,975,630.68
  5. Step 5: Solve for x
    x = 10,459,975,630.68/117,969.01
  6. Step 6: Final answer
    x = 88,667.15

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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.