Home / 78,828.92-108,786.29-44,842.28

Finding the Fourth Proportional to 78,828.92, 108,786.29 and 44,842.28

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Solution

The fourth proportional to 78,828.92, 108,786.29 and 44,842.28 is: 61,883.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,828.92 : 108,786.29 = 44,842.28 : x
  2. Step 2: Convert to fraction form
    78,828.92/108,786.29 = 44,842.28/x
  3. Step 3: Cross multiply
    78,828.92x = 108,786.29 × 44,842.28
  4. Step 4: Simplify right side
    78,828.92x = 4,878,224,508.20
  5. Step 5: Solve for x
    x = 4,878,224,508.20/78,828.92
  6. Step 6: Final answer
    x = 61,883.69

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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.