Home / 117,177.13-161,704.30-63,462.11

Finding the Fourth Proportional to 117,177.13, 161,704.30 and 63,462.11

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Solution

The fourth proportional to 117,177.13, 161,704.30 and 63,462.11 is: 87,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,177.13 : 161,704.30 = 63,462.11 : x
  2. Step 2: Convert to fraction form
    117,177.13/161,704.30 = 63,462.11/x
  3. Step 3: Cross multiply
    117,177.13x = 161,704.30 × 63,462.11
  4. Step 4: Simplify right side
    117,177.13x = 10,262,095,756.76
  5. Step 5: Solve for x
    x = 10,262,095,756.76/117,177.13
  6. Step 6: Final answer
    x = 87,577.64

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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.