Home / 112,579.07-155,356.89-61,591.24

Finding the Fourth Proportional to 112,579.07, 155,356.89 and 61,591.24

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Solution

The fourth proportional to 112,579.07, 155,356.89 and 61,591.24 is: 84,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,579.07 : 155,356.89 = 61,591.24 : x
  2. Step 2: Convert to fraction form
    112,579.07/155,356.89 = 61,591.24/x
  3. Step 3: Cross multiply
    112,579.07x = 155,356.89 × 61,591.24
  4. Step 4: Simplify right side
    112,579.07x = 9,568,622,586.99
  5. Step 5: Solve for x
    x = 9,568,622,586.99/112,579.07
  6. Step 6: Final answer
    x = 84,994.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.