Home / 117,842.38-162,625.94-64,130.88

Finding the Fourth Proportional to 117,842.38, 162,625.94 and 64,130.88

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Solution

The fourth proportional to 117,842.38, 162,625.94 and 64,130.88 is: 88,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,842.38 : 162,625.94 = 64,130.88 : x
  2. Step 2: Convert to fraction form
    117,842.38/162,625.94 = 64,130.88/x
  3. Step 3: Cross multiply
    117,842.38x = 162,625.94 × 64,130.88
  4. Step 4: Simplify right side
    117,842.38x = 10,429,344,643.03
  5. Step 5: Solve for x
    x = 10,429,344,643.03/117,842.38
  6. Step 6: Final answer
    x = 88,502.49

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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.