Home / 79,384.44-109,551.78-43,577.76

Finding the Fourth Proportional to 79,384.44, 109,551.78 and 43,577.76

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Solution

The fourth proportional to 79,384.44, 109,551.78 and 43,577.76 is: 60,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,384.44 : 109,551.78 = 43,577.76 : x
  2. Step 2: Convert to fraction form
    79,384.44/109,551.78 = 43,577.76/x
  3. Step 3: Cross multiply
    79,384.44x = 109,551.78 × 43,577.76
  4. Step 4: Simplify right side
    79,384.44x = 4,774,021,176.41
  5. Step 5: Solve for x
    x = 4,774,021,176.41/79,384.44
  6. Step 6: Final answer
    x = 60,138.00

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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.