Home / 104,051.17-155,947.32-54,101.92

Finding the Fourth Proportional to 104,051.17, 155,947.32 and 54,101.92

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Solution

The fourth proportional to 104,051.17, 155,947.32 and 54,101.92 is: 81,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,051.17 : 155,947.32 = 54,101.92 : x
  2. Step 2: Convert to fraction form
    104,051.17/155,947.32 = 54,101.92/x
  3. Step 3: Cross multiply
    104,051.17x = 155,947.32 × 54,101.92
  4. Step 4: Simplify right side
    104,051.17x = 8,437,049,430.85
  5. Step 5: Solve for x
    x = 8,437,049,430.85/104,051.17
  6. Step 6: Final answer
    x = 81,085.58

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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.