Home / 87,875.26-121,268.44-47,589.06

Finding the Fourth Proportional to 87,875.26, 121,268.44 and 47,589.06

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Solution

The fourth proportional to 87,875.26, 121,268.44 and 47,589.06 is: 65,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,875.26 : 121,268.44 = 47,589.06 : x
  2. Step 2: Convert to fraction form
    87,875.26/121,268.44 = 47,589.06/x
  3. Step 3: Cross multiply
    87,875.26x = 121,268.44 × 47,589.06
  4. Step 4: Simplify right side
    87,875.26x = 5,771,051,067.27
  5. Step 5: Solve for x
    x = 5,771,051,067.27/87,875.26
  6. Step 6: Final answer
    x = 65,673.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.