Home / 117,888.24-162,685.79-64,173.66

Finding the Fourth Proportional to 117,888.24, 162,685.79 and 64,173.66

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Solution

The fourth proportional to 117,888.24, 162,685.79 and 64,173.66 is: 88,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,888.24 : 162,685.79 = 64,173.66 : x
  2. Step 2: Convert to fraction form
    117,888.24/162,685.79 = 64,173.66/x
  3. Step 3: Cross multiply
    117,888.24x = 162,685.79 × 64,173.66
  4. Step 4: Simplify right side
    117,888.24x = 10,440,141,884.00
  5. Step 5: Solve for x
    x = 10,440,141,884.00/117,888.24
  6. Step 6: Final answer
    x = 88,559.65

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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.