Home / 133,057.41-199,671.77-53,081.72

Finding the Fourth Proportional to 133,057.41, 199,671.77 and 53,081.72

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Solution

The fourth proportional to 133,057.41, 199,671.77 and 53,081.72 is: 79,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057.41 : 199,671.77 = 53,081.72 : x
  2. Step 2: Convert to fraction form
    133,057.41/199,671.77 = 53,081.72/x
  3. Step 3: Cross multiply
    133,057.41x = 199,671.77 × 53,081.72
  4. Step 4: Simplify right side
    133,057.41x = 10,598,920,987.04
  5. Step 5: Solve for x
    x = 10,598,920,987.04/133,057.41
  6. Step 6: Final answer
    x = 79,656.75

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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.