Home / 79,824.12-119,731.86-24,420.12

Finding the Fourth Proportional to 79,824.12, 119,731.86 and 24,420.12

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Solution

The fourth proportional to 79,824.12, 119,731.86 and 24,420.12 is: 36,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,824.12 : 119,731.86 = 24,420.12 : x
  2. Step 2: Convert to fraction form
    79,824.12/119,731.86 = 24,420.12/x
  3. Step 3: Cross multiply
    79,824.12x = 119,731.86 × 24,420.12
  4. Step 4: Simplify right side
    79,824.12x = 2,923,866,389.02
  5. Step 5: Solve for x
    x = 2,923,866,389.02/79,824.12
  6. Step 6: Final answer
    x = 36,628.86

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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.