Home / 117,329.23-162,047.98-79,537.87

Finding the Fourth Proportional to 117,329.23, 162,047.98 and 79,537.87

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Solution

The fourth proportional to 117,329.23, 162,047.98 and 79,537.87 is: 109,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,329.23 : 162,047.98 = 79,537.87 : x
  2. Step 2: Convert to fraction form
    117,329.23/162,047.98 = 79,537.87/x
  3. Step 3: Cross multiply
    117,329.23x = 162,047.98 × 79,537.87
  4. Step 4: Simplify right side
    117,329.23x = 12,888,951,167.00
  5. Step 5: Solve for x
    x = 12,888,951,167.00/117,329.23
  6. Step 6: Final answer
    x = 109,852.86

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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.