Home / 110,517.29-165,526.70-77,385.27

Finding the Fourth Proportional to 110,517.29, 165,526.70 and 77,385.27

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Solution

The fourth proportional to 110,517.29, 165,526.70 and 77,385.27 is: 115,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,517.29 : 165,526.70 = 77,385.27 : x
  2. Step 2: Convert to fraction form
    110,517.29/165,526.70 = 77,385.27/x
  3. Step 3: Cross multiply
    110,517.29x = 165,526.70 × 77,385.27
  4. Step 4: Simplify right side
    110,517.29x = 12,809,328,823.15
  5. Step 5: Solve for x
    x = 12,809,328,823.15/110,517.29
  6. Step 6: Final answer
    x = 115,903.39

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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.