Home / 105,917.26-158,941.54-61,564.90

Finding the Fourth Proportional to 105,917.26, 158,941.54 and 61,564.90

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Solution

The fourth proportional to 105,917.26, 158,941.54 and 61,564.90 is: 92,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,917.26 : 158,941.54 = 61,564.90 : x
  2. Step 2: Convert to fraction form
    105,917.26/158,941.54 = 61,564.90/x
  3. Step 3: Cross multiply
    105,917.26x = 158,941.54 × 61,564.90
  4. Step 4: Simplify right side
    105,917.26x = 9,785,220,015.95
  5. Step 5: Solve for x
    x = 9,785,220,015.95/105,917.26
  6. Step 6: Final answer
    x = 92,385.51

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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.