Home / 79,179.65-109,237.50-45,190.02

Finding the Fourth Proportional to 79,179.65, 109,237.50 and 45,190.02

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Solution

The fourth proportional to 79,179.65, 109,237.50 and 45,190.02 is: 62,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,179.65 : 109,237.50 = 45,190.02 : x
  2. Step 2: Convert to fraction form
    79,179.65/109,237.50 = 45,190.02/x
  3. Step 3: Cross multiply
    79,179.65x = 109,237.50 × 45,190.02
  4. Step 4: Simplify right side
    79,179.65x = 4,936,444,809.75
  5. Step 5: Solve for x
    x = 4,936,444,809.75/79,179.65
  6. Step 6: Final answer
    x = 62,344.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.