Home / 79,063.29-109,173.83-56,471.58

Finding the Fourth Proportional to 79,063.29, 109,173.83 and 56,471.58

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Solution

The fourth proportional to 79,063.29, 109,173.83 and 56,471.58 is: 77,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,063.29 : 109,173.83 = 56,471.58 : x
  2. Step 2: Convert to fraction form
    79,063.29/109,173.83 = 56,471.58/x
  3. Step 3: Cross multiply
    79,063.29x = 109,173.83 × 56,471.58
  4. Step 4: Simplify right side
    79,063.29x = 6,165,218,392.39
  5. Step 5: Solve for x
    x = 6,165,218,392.39/79,063.29
  6. Step 6: Final answer
    x = 77,978.27

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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.