Home / 67,317.35-100,865.30-53,367.03

Finding the Fourth Proportional to 67,317.35, 100,865.30 and 53,367.03

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Solution

The fourth proportional to 67,317.35, 100,865.30 and 53,367.03 is: 79,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,317.35 : 100,865.30 = 53,367.03 : x
  2. Step 2: Convert to fraction form
    67,317.35/100,865.30 = 53,367.03/x
  3. Step 3: Cross multiply
    67,317.35x = 100,865.30 × 53,367.03
  4. Step 4: Simplify right side
    67,317.35x = 5,382,881,224.22
  5. Step 5: Solve for x
    x = 5,382,881,224.22/67,317.35
  6. Step 6: Final answer
    x = 79,962.77

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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.