Home / 79,811.58-110,139.95-45,822.26

Finding the Fourth Proportional to 79,811.58, 110,139.95 and 45,822.26

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Solution

The fourth proportional to 79,811.58, 110,139.95 and 45,822.26 is: 63,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,811.58 : 110,139.95 = 45,822.26 : x
  2. Step 2: Convert to fraction form
    79,811.58/110,139.95 = 45,822.26/x
  3. Step 3: Cross multiply
    79,811.58x = 110,139.95 × 45,822.26
  4. Step 4: Simplify right side
    79,811.58x = 5,046,861,425.29
  5. Step 5: Solve for x
    x = 5,046,861,425.29/79,811.58
  6. Step 6: Final answer
    x = 63,234.70

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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.