Home / 79,914.65-119,786.72-60,132.02

Finding the Fourth Proportional to 79,914.65, 119,786.72 and 60,132.02

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Solution

The fourth proportional to 79,914.65, 119,786.72 and 60,132.02 is: 90,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,914.65 : 119,786.72 = 60,132.02 : x
  2. Step 2: Convert to fraction form
    79,914.65/119,786.72 = 60,132.02/x
  3. Step 3: Cross multiply
    79,914.65x = 119,786.72 × 60,132.02
  4. Step 4: Simplify right side
    79,914.65x = 7,203,016,543.18
  5. Step 5: Solve for x
    x = 7,203,016,543.18/79,914.65
  6. Step 6: Final answer
    x = 90,133.87

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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.