Home / 112,004.48-154,560.64-61,694.08

Finding the Fourth Proportional to 112,004.48, 154,560.64 and 61,694.08

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Solution

The fourth proportional to 112,004.48, 154,560.64 and 61,694.08 is: 85,134.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004.48 : 154,560.64 = 61,694.08 : x
  2. Step 2: Convert to fraction form
    112,004.48/154,560.64 = 61,694.08/x
  3. Step 3: Cross multiply
    112,004.48x = 154,560.64 × 61,694.08
  4. Step 4: Simplify right side
    112,004.48x = 9,535,476,489.01
  5. Step 5: Solve for x
    x = 9,535,476,489.01/112,004.48
  6. Step 6: Final answer
    x = 85,134.78

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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.