Home / 112,961.52-155,905.56-62,676.72

Finding the Fourth Proportional to 112,961.52, 155,905.56 and 62,676.72

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Solution

The fourth proportional to 112,961.52, 155,905.56 and 62,676.72 is: 86,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,961.52 : 155,905.56 = 62,676.72 : x
  2. Step 2: Convert to fraction form
    112,961.52/155,905.56 = 62,676.72/x
  3. Step 3: Cross multiply
    112,961.52x = 155,905.56 × 62,676.72
  4. Step 4: Simplify right side
    112,961.52x = 9,771,649,130.56
  5. Step 5: Solve for x
    x = 9,771,649,130.56/112,961.52
  6. Step 6: Final answer
    x = 86,504.23

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1.5x scale

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.