Home / 84,558.32-126,837.40-34,638.51

Finding the Fourth Proportional to 84,558.32, 126,837.40 and 34,638.51

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Solution

The fourth proportional to 84,558.32, 126,837.40 and 34,638.51 is: 51,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,558.32 : 126,837.40 = 34,638.51 : x
  2. Step 2: Convert to fraction form
    84,558.32/126,837.40 = 34,638.51/x
  3. Step 3: Cross multiply
    84,558.32x = 126,837.40 × 34,638.51
  4. Step 4: Simplify right side
    84,558.32x = 4,393,458,375.08
  5. Step 5: Solve for x
    x = 4,393,458,375.08/84,558.32
  6. Step 6: Final answer
    x = 51,957.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.