Home / 109,779.30-164,716.74-43,267.77

Finding the Fourth Proportional to 109,779.30, 164,716.74 and 43,267.77

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Solution

The fourth proportional to 109,779.30, 164,716.74 and 43,267.77 is: 64,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,779.30 : 164,716.74 = 43,267.77 : x
  2. Step 2: Convert to fraction form
    109,779.30/164,716.74 = 43,267.77/x
  3. Step 3: Cross multiply
    109,779.30x = 164,716.74 × 43,267.77
  4. Step 4: Simplify right side
    109,779.30x = 7,126,926,021.47
  5. Step 5: Solve for x
    x = 7,126,926,021.47/109,779.30
  6. Step 6: Final answer
    x = 64,920.49

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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.