Home / 104,007.40-156,010.26-54,061.72

Finding the Fourth Proportional to 104,007.40, 156,010.26 and 54,061.72

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Solution

The fourth proportional to 104,007.40, 156,010.26 and 54,061.72 is: 81,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,007.40 : 156,010.26 = 54,061.72 : x
  2. Step 2: Convert to fraction form
    104,007.40/156,010.26 = 54,061.72/x
  3. Step 3: Cross multiply
    104,007.40x = 156,010.26 × 54,061.72
  4. Step 4: Simplify right side
    104,007.40x = 8,434,182,993.25
  5. Step 5: Solve for x
    x = 8,434,182,993.25/104,007.40
  6. Step 6: Final answer
    x = 81,092.14

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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.