Home / 78,826.36-108,782.78-44,839.77

Finding the Fourth Proportional to 78,826.36, 108,782.78 and 44,839.77

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Solution

The fourth proportional to 78,826.36, 108,782.78 and 44,839.77 is: 61,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826.36 : 108,782.78 = 44,839.77 : x
  2. Step 2: Convert to fraction form
    78,826.36/108,782.78 = 44,839.77/x
  3. Step 3: Cross multiply
    78,826.36x = 108,782.78 × 44,839.77
  4. Step 4: Simplify right side
    78,826.36x = 4,877,794,835.16
  5. Step 5: Solve for x
    x = 4,877,794,835.16/78,826.36
  6. Step 6: Final answer
    x = 61,880.25

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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.