Home / 117,029.26-161,500.31-63,314.29

Finding the Fourth Proportional to 117,029.26, 161,500.31 and 63,314.29

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Solution

The fourth proportional to 117,029.26, 161,500.31 and 63,314.29 is: 87,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,029.26 : 161,500.31 = 63,314.29 : x
  2. Step 2: Convert to fraction form
    117,029.26/161,500.31 = 63,314.29/x
  3. Step 3: Cross multiply
    117,029.26x = 161,500.31 × 63,314.29
  4. Step 4: Simplify right side
    117,029.26x = 10,225,277,145.86
  5. Step 5: Solve for x
    x = 10,225,277,145.86/117,029.26
  6. Step 6: Final answer
    x = 87,373.68

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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.