Home / 53,021.08-79,519.32-23,422.77

Finding the Fourth Proportional to 53,021.08, 79,519.32 and 23,422.77

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Solution

The fourth proportional to 53,021.08, 79,519.32 and 23,422.77 is: 35,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.08 : 79,519.32 = 23,422.77 : x
  2. Step 2: Convert to fraction form
    53,021.08/79,519.32 = 23,422.77/x
  3. Step 3: Cross multiply
    53,021.08x = 79,519.32 × 23,422.77
  4. Step 4: Simplify right side
    53,021.08x = 1,862,562,742.92
  5. Step 5: Solve for x
    x = 1,862,562,742.92/53,021.08
  6. Step 6: Final answer
    x = 35,128.72

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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.