Home / 112,973.88-155,917.26-62,676.12

Finding the Fourth Proportional to 112,973.88, 155,917.26 and 62,676.12

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Solution

The fourth proportional to 112,973.88, 155,917.26 and 62,676.12 is: 86,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,973.88 : 155,917.26 = 62,676.12 : x
  2. Step 2: Convert to fraction form
    112,973.88/155,917.26 = 62,676.12/x
  3. Step 3: Cross multiply
    112,973.88x = 155,917.26 × 62,676.12
  4. Step 4: Simplify right side
    112,973.88x = 9,772,288,897.83
  5. Step 5: Solve for x
    x = 9,772,288,897.83/112,973.88
  6. Step 6: Final answer
    x = 86,500.43

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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.