Home / 110,720.90-166,139.68-64,006.58

Finding the Fourth Proportional to 110,720.90, 166,139.68 and 64,006.58

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Solution

The fourth proportional to 110,720.90, 166,139.68 and 64,006.58 is: 96,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720.90 : 166,139.68 = 64,006.58 : x
  2. Step 2: Convert to fraction form
    110,720.90/166,139.68 = 64,006.58/x
  3. Step 3: Cross multiply
    110,720.90x = 166,139.68 × 64,006.58
  4. Step 4: Simplify right side
    110,720.90x = 10,634,032,719.09
  5. Step 5: Solve for x
    x = 10,634,032,719.09/110,720.90
  6. Step 6: Final answer
    x = 96,043.59

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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.