Home / 79,765.36-119,694.55-29,880.50

Finding the Fourth Proportional to 79,765.36, 119,694.55 and 29,880.50

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Solution

The fourth proportional to 79,765.36, 119,694.55 and 29,880.50 is: 44,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,765.36 : 119,694.55 = 29,880.50 : x
  2. Step 2: Convert to fraction form
    79,765.36/119,694.55 = 29,880.50/x
  3. Step 3: Cross multiply
    79,765.36x = 119,694.55 × 29,880.50
  4. Step 4: Simplify right side
    79,765.36x = 3,576,532,342.11
  5. Step 5: Solve for x
    x = 3,576,532,342.11/79,765.36
  6. Step 6: Final answer
    x = 44,838.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.