Home / 66,780.51-100,170.45-27,337.62

Finding the Fourth Proportional to 66,780.51, 100,170.45 and 27,337.62

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Solution

The fourth proportional to 66,780.51, 100,170.45 and 27,337.62 is: 41,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,780.51 : 100,170.45 = 27,337.62 : x
  2. Step 2: Convert to fraction form
    66,780.51/100,170.45 = 27,337.62/x
  3. Step 3: Cross multiply
    66,780.51x = 100,170.45 × 27,337.62
  4. Step 4: Simplify right side
    66,780.51x = 2,738,421,697.33
  5. Step 5: Solve for x
    x = 2,738,421,697.33/66,780.51
  6. Step 6: Final answer
    x = 41,006.30

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1.5x scale

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.