Home / 79,635.09-119,526.48-40,219.86

Finding the Fourth Proportional to 79,635.09, 119,526.48 and 40,219.86

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Solution

The fourth proportional to 79,635.09, 119,526.48 and 40,219.86 is: 60,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,635.09 : 119,526.48 = 40,219.86 : x
  2. Step 2: Convert to fraction form
    79,635.09/119,526.48 = 40,219.86/x
  3. Step 3: Cross multiply
    79,635.09x = 119,526.48 × 40,219.86
  4. Step 4: Simplify right side
    79,635.09x = 4,807,338,291.89
  5. Step 5: Solve for x
    x = 4,807,338,291.89/79,635.09
  6. Step 6: Final answer
    x = 60,367.09

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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.