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Finding the Fourth Proportional to 79,370.68, 119,094.90 and 31,983.70

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Solution

The fourth proportional to 79,370.68, 119,094.90 and 31,983.70 is: 47,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.68 : 119,094.90 = 31,983.70 : x
  2. Step 2: Convert to fraction form
    79,370.68/119,094.90 = 31,983.70/x
  3. Step 3: Cross multiply
    79,370.68x = 119,094.90 × 31,983.70
  4. Step 4: Simplify right side
    79,370.68x = 3,809,095,553.13
  5. Step 5: Solve for x
    x = 3,809,095,553.13/79,370.68
  6. Step 6: Final answer
    x = 47,991.22

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1.5x scale

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.