Home / 105,917.28-158,941.56-61,564.92

Finding the Fourth Proportional to 105,917.28, 158,941.56 and 61,564.92

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Solution

The fourth proportional to 105,917.28, 158,941.56 and 61,564.92 is: 92,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,917.28 : 158,941.56 = 61,564.92 : x
  2. Step 2: Convert to fraction form
    105,917.28/158,941.56 = 61,564.92/x
  3. Step 3: Cross multiply
    105,917.28x = 158,941.56 × 61,564.92
  4. Step 4: Simplify right side
    105,917.28x = 9,785,224,426.08
  5. Step 5: Solve for x
    x = 9,785,224,426.08/105,917.28
  6. Step 6: Final answer
    x = 92,385.53

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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.