Home / 66,890.22-100,337.54-24,780.93

Finding the Fourth Proportional to 66,890.22, 100,337.54 and 24,780.93

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Solution

The fourth proportional to 66,890.22, 100,337.54 and 24,780.93 is: 37,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,890.22 : 100,337.54 = 24,780.93 : x
  2. Step 2: Convert to fraction form
    66,890.22/100,337.54 = 24,780.93/x
  3. Step 3: Cross multiply
    66,890.22x = 100,337.54 × 24,780.93
  4. Step 4: Simplify right side
    66,890.22x = 2,486,457,431.21
  5. Step 5: Solve for x
    x = 2,486,457,431.21/66,890.22
  6. Step 6: Final answer
    x = 37,172.21

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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.