Home / 79,373.10-119,035.89-31,972.98

Finding the Fourth Proportional to 79,373.10, 119,035.89 and 31,972.98

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Solution

The fourth proportional to 79,373.10, 119,035.89 and 31,972.98 is: 47,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,373.10 : 119,035.89 = 31,972.98 : x
  2. Step 2: Convert to fraction form
    79,373.10/119,035.89 = 31,972.98/x
  3. Step 3: Cross multiply
    79,373.10x = 119,035.89 × 31,972.98
  4. Step 4: Simplify right side
    79,373.10x = 3,805,932,130.25
  5. Step 5: Solve for x
    x = 3,805,932,130.25/79,373.10
  6. Step 6: Final answer
    x = 47,949.90

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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.