Home / 67,459.36-101,186.56-20,711.04

Finding the Fourth Proportional to 67,459.36, 101,186.56 and 20,711.04

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Solution

The fourth proportional to 67,459.36, 101,186.56 and 20,711.04 is: 31,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,459.36 : 101,186.56 = 20,711.04 : x
  2. Step 2: Convert to fraction form
    67,459.36/101,186.56 = 20,711.04/x
  3. Step 3: Cross multiply
    67,459.36x = 101,186.56 × 20,711.04
  4. Step 4: Simplify right side
    67,459.36x = 2,095,678,891.62
  5. Step 5: Solve for x
    x = 2,095,678,891.62/67,459.36
  6. Step 6: Final answer
    x = 31,065.80

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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.