Home / 104,735.08-156,889.50-83,710.36

Finding the Fourth Proportional to 104,735.08, 156,889.50 and 83,710.36

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Solution

The fourth proportional to 104,735.08, 156,889.50 and 83,710.36 is: 125,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,735.08 : 156,889.50 = 83,710.36 : x
  2. Step 2: Convert to fraction form
    104,735.08/156,889.50 = 83,710.36/x
  3. Step 3: Cross multiply
    104,735.08x = 156,889.50 × 83,710.36
  4. Step 4: Simplify right side
    104,735.08x = 13,133,276,525.22
  5. Step 5: Solve for x
    x = 13,133,276,525.22/104,735.08
  6. Step 6: Final answer
    x = 125,395.20

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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.