Home / 110,785.30-166,064.55-54,538.90

Finding the Fourth Proportional to 110,785.30, 166,064.55 and 54,538.90

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Solution

The fourth proportional to 110,785.30, 166,064.55 and 54,538.90 is: 81,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,785.30 : 166,064.55 = 54,538.90 : x
  2. Step 2: Convert to fraction form
    110,785.30/166,064.55 = 54,538.90/x
  3. Step 3: Cross multiply
    110,785.30x = 166,064.55 × 54,538.90
  4. Step 4: Simplify right side
    110,785.30x = 9,056,977,886.00
  5. Step 5: Solve for x
    x = 9,056,977,886.00/110,785.30
  6. Step 6: Final answer
    x = 81,752.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.