Home / 117,445.24-162,063.48-66,462.63

Finding the Fourth Proportional to 117,445.24, 162,063.48 and 66,462.63

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Solution

The fourth proportional to 117,445.24, 162,063.48 and 66,462.63 is: 91,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,445.24 : 162,063.48 = 66,462.63 : x
  2. Step 2: Convert to fraction form
    117,445.24/162,063.48 = 66,462.63/x
  3. Step 3: Cross multiply
    117,445.24x = 162,063.48 × 66,462.63
  4. Step 4: Simplify right side
    117,445.24x = 10,771,165,107.75
  5. Step 5: Solve for x
    x = 10,771,165,107.75/117,445.24
  6. Step 6: Final answer
    x = 91,712.23

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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.