Home / 112,877.73-155,778.26-62,576.73

Finding the Fourth Proportional to 112,877.73, 155,778.26 and 62,576.73

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Solution

The fourth proportional to 112,877.73, 155,778.26 and 62,576.73 is: 86,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,877.73 : 155,778.26 = 62,576.73 : x
  2. Step 2: Convert to fraction form
    112,877.73/155,778.26 = 62,576.73/x
  3. Step 3: Cross multiply
    112,877.73x = 155,778.26 × 62,576.73
  4. Step 4: Simplify right side
    112,877.73x = 9,748,094,272.33
  5. Step 5: Solve for x
    x = 9,748,094,272.33/112,877.73
  6. Step 6: Final answer
    x = 86,359.77

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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.