Home / 79,602.33-119,305.08-40,170.72

Finding the Fourth Proportional to 79,602.33, 119,305.08 and 40,170.72

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Solution

The fourth proportional to 79,602.33, 119,305.08 and 40,170.72 is: 60,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,602.33 : 119,305.08 = 40,170.72 : x
  2. Step 2: Convert to fraction form
    79,602.33/119,305.08 = 40,170.72/x
  3. Step 3: Cross multiply
    79,602.33x = 119,305.08 × 40,170.72
  4. Step 4: Simplify right side
    79,602.33x = 4,792,570,963.26
  5. Step 5: Solve for x
    x = 4,792,570,963.26/79,602.33
  6. Step 6: Final answer
    x = 60,206.42

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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.