Home / 64,250.40-96,375.60-53,191.20

Finding the Fourth Proportional to 64,250.40, 96,375.60 and 53,191.20

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Solution

The fourth proportional to 64,250.40, 96,375.60 and 53,191.20 is: 79,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,250.40 : 96,375.60 = 53,191.20 : x
  2. Step 2: Convert to fraction form
    64,250.40/96,375.60 = 53,191.20/x
  3. Step 3: Cross multiply
    64,250.40x = 96,375.60 × 53,191.20
  4. Step 4: Simplify right side
    64,250.40x = 5,126,333,814.72
  5. Step 5: Solve for x
    x = 5,126,333,814.72/64,250.40
  6. Step 6: Final answer
    x = 79,786.80

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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.