Home / 117,456.11-162,089.53-63,741.12

Finding the Fourth Proportional to 117,456.11, 162,089.53 and 63,741.12

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Solution

The fourth proportional to 117,456.11, 162,089.53 and 63,741.12 is: 87,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,456.11 : 162,089.53 = 63,741.12 : x
  2. Step 2: Convert to fraction form
    117,456.11/162,089.53 = 63,741.12/x
  3. Step 3: Cross multiply
    117,456.11x = 162,089.53 × 63,741.12
  4. Step 4: Simplify right side
    117,456.11x = 10,331,768,182.47
  5. Step 5: Solve for x
    x = 10,331,768,182.47/117,456.11
  6. Step 6: Final answer
    x = 87,962.80

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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.