Home / 79,683.36-119,598.88-40,267.94

Finding the Fourth Proportional to 79,683.36, 119,598.88 and 40,267.94

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Solution

The fourth proportional to 79,683.36, 119,598.88 and 40,267.94 is: 60,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,683.36 : 119,598.88 = 40,267.94 : x
  2. Step 2: Convert to fraction form
    79,683.36/119,598.88 = 40,267.94/x
  3. Step 3: Cross multiply
    79,683.36x = 119,598.88 × 40,267.94
  4. Step 4: Simplify right side
    79,683.36x = 4,816,000,523.91
  5. Step 5: Solve for x
    x = 4,816,000,523.91/79,683.36
  6. Step 6: Final answer
    x = 60,439.23

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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.