Home / 64,819.80-97,229.70-56,784.60

Finding the Fourth Proportional to 64,819.80, 97,229.70 and 56,784.60

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Solution

The fourth proportional to 64,819.80, 97,229.70 and 56,784.60 is: 85,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,819.80 : 97,229.70 = 56,784.60 : x
  2. Step 2: Convert to fraction form
    64,819.80/97,229.70 = 56,784.60/x
  3. Step 3: Cross multiply
    64,819.80x = 97,229.70 × 56,784.60
  4. Step 4: Simplify right side
    64,819.80x = 5,521,149,622.62
  5. Step 5: Solve for x
    x = 5,521,149,622.62/64,819.80
  6. Step 6: Final answer
    x = 85,176.90

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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.