Home / 104,710.24-156,972.48-38,138

Finding the Fourth Proportional to 104,710.24, 156,972.48 and 38,138

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Solution

The fourth proportional to 104,710.24, 156,972.48 and 38,138 is: 57,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,710.24 : 156,972.48 = 38,138 : x
  2. Step 2: Convert to fraction form
    104,710.24/156,972.48 = 38,138/x
  3. Step 3: Cross multiply
    104,710.24x = 156,972.48 × 38,138
  4. Step 4: Simplify right side
    104,710.24x = 5,986,616,442.24
  5. Step 5: Solve for x
    x = 5,986,616,442.24/104,710.24
  6. Step 6: Final answer
    x = 57,173.17

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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.