Home / 53,081.66-79,619.87-19,799.13

Finding the Fourth Proportional to 53,081.66, 79,619.87 and 19,799.13

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Solution

The fourth proportional to 53,081.66, 79,619.87 and 19,799.13 is: 29,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081.66 : 79,619.87 = 19,799.13 : x
  2. Step 2: Convert to fraction form
    53,081.66/79,619.87 = 19,799.13/x
  3. Step 3: Cross multiply
    53,081.66x = 79,619.87 × 19,799.13
  4. Step 4: Simplify right side
    53,081.66x = 1,576,404,057.72
  5. Step 5: Solve for x
    x = 1,576,404,057.72/53,081.66
  6. Step 6: Final answer
    x = 29,697.72

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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.