Home / 64,780.35-97,198.74-22,690.68

Finding the Fourth Proportional to 64,780.35, 97,198.74 and 22,690.68

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Solution

The fourth proportional to 64,780.35, 97,198.74 and 22,690.68 is: 34,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,780.35 : 97,198.74 = 22,690.68 : x
  2. Step 2: Convert to fraction form
    64,780.35/97,198.74 = 22,690.68/x
  3. Step 3: Cross multiply
    64,780.35x = 97,198.74 × 22,690.68
  4. Step 4: Simplify right side
    64,780.35x = 2,205,505,505.74
  5. Step 5: Solve for x
    x = 2,205,505,505.74/64,780.35
  6. Step 6: Final answer
    x = 34,045.90

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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.