Home / 112,245.28-154,896.22-61,259.02

Finding the Fourth Proportional to 112,245.28, 154,896.22 and 61,259.02

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Solution

The fourth proportional to 112,245.28, 154,896.22 and 61,259.02 is: 84,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,245.28 : 154,896.22 = 61,259.02 : x
  2. Step 2: Convert to fraction form
    112,245.28/154,896.22 = 61,259.02/x
  3. Step 3: Cross multiply
    112,245.28x = 154,896.22 × 61,259.02
  4. Step 4: Simplify right side
    112,245.28x = 9,488,790,638.90
  5. Step 5: Solve for x
    x = 9,488,790,638.90/112,245.28
  6. Step 6: Final answer
    x = 84,536.21

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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.