Home / 56,086.24-84,111.16-18,636.26

Finding the Fourth Proportional to 56,086.24, 84,111.16 and 18,636.26

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Solution

The fourth proportional to 56,086.24, 84,111.16 and 18,636.26 is: 27,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,086.24 : 84,111.16 = 18,636.26 : x
  2. Step 2: Convert to fraction form
    56,086.24/84,111.16 = 18,636.26/x
  3. Step 3: Cross multiply
    56,086.24x = 84,111.16 × 18,636.26
  4. Step 4: Simplify right side
    56,086.24x = 1,567,516,932.92
  5. Step 5: Solve for x
    x = 1,567,516,932.92/56,086.24
  6. Step 6: Final answer
    x = 27,948.33

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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.