Home / 84,669.32-127,080.12-45,260.12

Finding the Fourth Proportional to 84,669.32, 127,080.12 and 45,260.12

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Solution

The fourth proportional to 84,669.32, 127,080.12 and 45,260.12 is: 67,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,669.32 : 127,080.12 = 45,260.12 : x
  2. Step 2: Convert to fraction form
    84,669.32/127,080.12 = 45,260.12/x
  3. Step 3: Cross multiply
    84,669.32x = 127,080.12 × 45,260.12
  4. Step 4: Simplify right side
    84,669.32x = 5,751,660,845.41
  5. Step 5: Solve for x
    x = 5,751,660,845.41/84,669.32
  6. Step 6: Final answer
    x = 67,930.88

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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.