Home / 78,767.58-108,694.95-44,771.36

Finding the Fourth Proportional to 78,767.58, 108,694.95 and 44,771.36

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Solution

The fourth proportional to 78,767.58, 108,694.95 and 44,771.36 is: 61,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,767.58 : 108,694.95 = 44,771.36 : x
  2. Step 2: Convert to fraction form
    78,767.58/108,694.95 = 44,771.36/x
  3. Step 3: Cross multiply
    78,767.58x = 108,694.95 × 44,771.36
  4. Step 4: Simplify right side
    78,767.58x = 4,866,420,193.16
  5. Step 5: Solve for x
    x = 4,866,420,193.16/78,767.58
  6. Step 6: Final answer
    x = 61,782.02

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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.