Home / 94,674.47-142,006.85-28,115.15

Finding the Fourth Proportional to 94,674.47, 142,006.85 and 28,115.15

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Solution

The fourth proportional to 94,674.47, 142,006.85 and 28,115.15 is: 42,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,674.47 : 142,006.85 = 28,115.15 : x
  2. Step 2: Convert to fraction form
    94,674.47/142,006.85 = 28,115.15/x
  3. Step 3: Cross multiply
    94,674.47x = 142,006.85 × 28,115.15
  4. Step 4: Simplify right side
    94,674.47x = 3,992,544,103.22
  5. Step 5: Solve for x
    x = 3,992,544,103.22/94,674.47
  6. Step 6: Final answer
    x = 42,171.28

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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.