Home / 71,787.28-99,069.96-43,495.60

Finding the Fourth Proportional to 71,787.28, 99,069.96 and 43,495.60

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Solution

The fourth proportional to 71,787.28, 99,069.96 and 43,495.60 is: 60,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,787.28 : 99,069.96 = 43,495.60 : x
  2. Step 2: Convert to fraction form
    71,787.28/99,069.96 = 43,495.60/x
  3. Step 3: Cross multiply
    71,787.28x = 99,069.96 × 43,495.60
  4. Step 4: Simplify right side
    71,787.28x = 4,309,107,352.18
  5. Step 5: Solve for x
    x = 4,309,107,352.18/71,787.28
  6. Step 6: Final answer
    x = 60,026.06

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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.