Home / 104,686.00-156,960.09-69,038.63

Finding the Fourth Proportional to 104,686.00, 156,960.09 and 69,038.63

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Solution

The fourth proportional to 104,686.00, 156,960.09 and 69,038.63 is: 103,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,686.00 : 156,960.09 = 69,038.63 : x
  2. Step 2: Convert to fraction form
    104,686.00/156,960.09 = 69,038.63/x
  3. Step 3: Cross multiply
    104,686.00x = 156,960.09 × 69,038.63
  4. Step 4: Simplify right side
    104,686.00x = 10,836,309,640.97
  5. Step 5: Solve for x
    x = 10,836,309,640.97/104,686.00
  6. Step 6: Final answer
    x = 103,512.50

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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.