Home / 65,833.01-90,849.98-40,339.43

Finding the Fourth Proportional to 65,833.01, 90,849.98 and 40,339.43

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Solution

The fourth proportional to 65,833.01, 90,849.98 and 40,339.43 is: 55,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,833.01 : 90,849.98 = 40,339.43 : x
  2. Step 2: Convert to fraction form
    65,833.01/90,849.98 = 40,339.43/x
  3. Step 3: Cross multiply
    65,833.01x = 90,849.98 × 40,339.43
  4. Step 4: Simplify right side
    65,833.01x = 3,664,836,408.71
  5. Step 5: Solve for x
    x = 3,664,836,408.71/65,833.01
  6. Step 6: Final answer
    x = 55,668.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.