Home / 79,598.28-109,849.32-43,787.64

Finding the Fourth Proportional to 79,598.28, 109,849.32 and 43,787.64

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Solution

The fourth proportional to 79,598.28, 109,849.32 and 43,787.64 is: 60,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,598.28 : 109,849.32 = 43,787.64 : x
  2. Step 2: Convert to fraction form
    79,598.28/109,849.32 = 43,787.64/x
  3. Step 3: Cross multiply
    79,598.28x = 109,849.32 × 43,787.64
  4. Step 4: Simplify right side
    79,598.28x = 4,810,042,478.40
  5. Step 5: Solve for x
    x = 4,810,042,478.40/79,598.28
  6. Step 6: Final answer
    x = 60,428.98

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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.