Home / 117,564.03-162,279.76-69,817.04

Finding the Fourth Proportional to 117,564.03, 162,279.76 and 69,817.04

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Solution

The fourth proportional to 117,564.03, 162,279.76 and 69,817.04 is: 96,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,564.03 : 162,279.76 = 69,817.04 : x
  2. Step 2: Convert to fraction form
    117,564.03/162,279.76 = 69,817.04/x
  3. Step 3: Cross multiply
    117,564.03x = 162,279.76 × 69,817.04
  4. Step 4: Simplify right side
    117,564.03x = 11,329,892,495.11
  5. Step 5: Solve for x
    x = 11,329,892,495.11/117,564.03
  6. Step 6: Final answer
    x = 96,372.10

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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.