Home / 117,454.75-162,088.00-63,739.76

Finding the Fourth Proportional to 117,454.75, 162,088.00 and 63,739.76

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Solution

The fourth proportional to 117,454.75, 162,088.00 and 63,739.76 is: 87,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454.75 : 162,088.00 = 63,739.76 : x
  2. Step 2: Convert to fraction form
    117,454.75/162,088.00 = 63,739.76/x
  3. Step 3: Cross multiply
    117,454.75x = 162,088.00 × 63,739.76
  4. Step 4: Simplify right side
    117,454.75x = 10,331,449,249.09
  5. Step 5: Solve for x
    x = 10,331,449,249.09/117,454.75
  6. Step 6: Final answer
    x = 87,961.10

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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.