Home / 79,682.40-119,527.92-29,775.60

Finding the Fourth Proportional to 79,682.40, 119,527.92 and 29,775.60

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Solution

The fourth proportional to 79,682.40, 119,527.92 and 29,775.60 is: 44,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,682.40 : 119,527.92 = 29,775.60 : x
  2. Step 2: Convert to fraction form
    79,682.40/119,527.92 = 29,775.60/x
  3. Step 3: Cross multiply
    79,682.40x = 119,527.92 × 29,775.60
  4. Step 4: Simplify right side
    79,682.40x = 3,559,015,534.75
  5. Step 5: Solve for x
    x = 3,559,015,534.75/79,682.40
  6. Step 6: Final answer
    x = 44,665.01

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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.