Home / 79,937.16-119,892.30-29,325.72

Finding the Fourth Proportional to 79,937.16, 119,892.30 and 29,325.72

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Solution

The fourth proportional to 79,937.16, 119,892.30 and 29,325.72 is: 43,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,937.16 : 119,892.30 = 29,325.72 : x
  2. Step 2: Convert to fraction form
    79,937.16/119,892.30 = 29,325.72/x
  3. Step 3: Cross multiply
    79,937.16x = 119,892.30 × 29,325.72
  4. Step 4: Simplify right side
    79,937.16x = 3,515,928,019.96
  5. Step 5: Solve for x
    x = 3,515,928,019.96/79,937.16
  6. Step 6: Final answer
    x = 43,983.65

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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.