Home / 117,842.43-162,625.97-64,130.91

Finding the Fourth Proportional to 117,842.43, 162,625.97 and 64,130.91

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Solution

The fourth proportional to 117,842.43, 162,625.97 and 64,130.91 is: 88,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,842.43 : 162,625.97 = 64,130.91 : x
  2. Step 2: Convert to fraction form
    117,842.43/162,625.97 = 64,130.91/x
  3. Step 3: Cross multiply
    117,842.43x = 162,625.97 × 64,130.91
  4. Step 4: Simplify right side
    117,842.43x = 10,429,351,445.73
  5. Step 5: Solve for x
    x = 10,429,351,445.73/117,842.43
  6. Step 6: Final answer
    x = 88,502.52

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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.