Home / 79,899.21-119,844.11-29,975.13

Finding the Fourth Proportional to 79,899.21, 119,844.11 and 29,975.13

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Solution

The fourth proportional to 79,899.21, 119,844.11 and 29,975.13 is: 44,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,899.21 : 119,844.11 = 29,975.13 : x
  2. Step 2: Convert to fraction form
    79,899.21/119,844.11 = 29,975.13/x
  3. Step 3: Cross multiply
    79,899.21x = 119,844.11 × 29,975.13
  4. Step 4: Simplify right side
    79,899.21x = 3,592,342,851.92
  5. Step 5: Solve for x
    x = 3,592,342,851.92/79,899.21
  6. Step 6: Final answer
    x = 44,960.93

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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.