Home / 117,887.41-162,686.33-64,174.11

Finding the Fourth Proportional to 117,887.41, 162,686.33 and 64,174.11

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Solution

The fourth proportional to 117,887.41, 162,686.33 and 64,174.11 is: 88,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,887.41 : 162,686.33 = 64,174.11 : x
  2. Step 2: Convert to fraction form
    117,887.41/162,686.33 = 64,174.11/x
  3. Step 3: Cross multiply
    117,887.41x = 162,686.33 × 64,174.11
  4. Step 4: Simplify right side
    117,887.41x = 10,440,250,436.92
  5. Step 5: Solve for x
    x = 10,440,250,436.92/117,887.41
  6. Step 6: Final answer
    x = 88,561.20

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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.