Home / 79,384.60-109,551.99-43,577.88

Finding the Fourth Proportional to 79,384.60, 109,551.99 and 43,577.88

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Solution

The fourth proportional to 79,384.60, 109,551.99 and 43,577.88 is: 60,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,384.60 : 109,551.99 = 43,577.88 : x
  2. Step 2: Convert to fraction form
    79,384.60/109,551.99 = 43,577.88/x
  3. Step 3: Cross multiply
    79,384.60x = 109,551.99 × 43,577.88
  4. Step 4: Simplify right side
    79,384.60x = 4,774,043,473.98
  5. Step 5: Solve for x
    x = 4,774,043,473.98/79,384.60
  6. Step 6: Final answer
    x = 60,138.16

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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.