Home / 117,861.50-162,620.51-69,465.35

Finding the Fourth Proportional to 117,861.50, 162,620.51 and 69,465.35

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Solution

The fourth proportional to 117,861.50, 162,620.51 and 69,465.35 is: 95,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,861.50 : 162,620.51 = 69,465.35 : x
  2. Step 2: Convert to fraction form
    117,861.50/162,620.51 = 69,465.35/x
  3. Step 3: Cross multiply
    117,861.50x = 162,620.51 × 69,465.35
  4. Step 4: Simplify right side
    117,861.50x = 11,296,489,483.90
  5. Step 5: Solve for x
    x = 11,296,489,483.90/117,861.50
  6. Step 6: Final answer
    x = 95,845.46

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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.