Home / 117,615.77-176,402.82-53,559.22

Finding the Fourth Proportional to 117,615.77, 176,402.82 and 53,559.22

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Solution

The fourth proportional to 117,615.77, 176,402.82 and 53,559.22 is: 80,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,615.77 : 176,402.82 = 53,559.22 : x
  2. Step 2: Convert to fraction form
    117,615.77/176,402.82 = 53,559.22/x
  3. Step 3: Cross multiply
    117,615.77x = 176,402.82 × 53,559.22
  4. Step 4: Simplify right side
    117,615.77x = 9,447,997,003.99
  5. Step 5: Solve for x
    x = 9,447,997,003.99/117,615.77
  6. Step 6: Final answer
    x = 80,329.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.