Home / 66,900.06-100,330.92-26,919

Finding the Fourth Proportional to 66,900.06, 100,330.92 and 26,919

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Solution

The fourth proportional to 66,900.06, 100,330.92 and 26,919 is: 40,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,900.06 : 100,330.92 = 26,919 : x
  2. Step 2: Convert to fraction form
    66,900.06/100,330.92 = 26,919/x
  3. Step 3: Cross multiply
    66,900.06x = 100,330.92 × 26,919
  4. Step 4: Simplify right side
    66,900.06x = 2,700,808,035.48
  5. Step 5: Solve for x
    x = 2,700,808,035.48/66,900.06
  6. Step 6: Final answer
    x = 40,370.79

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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.