Home / 94,143.21-141,171.75-56,209.70

Finding the Fourth Proportional to 94,143.21, 141,171.75 and 56,209.70

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Solution

The fourth proportional to 94,143.21, 141,171.75 and 56,209.70 is: 84,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,143.21 : 141,171.75 = 56,209.70 : x
  2. Step 2: Convert to fraction form
    94,143.21/141,171.75 = 56,209.70/x
  3. Step 3: Cross multiply
    94,143.21x = 141,171.75 × 56,209.70
  4. Step 4: Simplify right side
    94,143.21x = 7,935,221,010.12
  5. Step 5: Solve for x
    x = 7,935,221,010.12/94,143.21
  6. Step 6: Final answer
    x = 84,288.83

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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.