Home / 53,326.15-79,939.77-20,068.27

Finding the Fourth Proportional to 53,326.15, 79,939.77 and 20,068.27

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Solution

The fourth proportional to 53,326.15, 79,939.77 and 20,068.27 is: 30,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,326.15 : 79,939.77 = 20,068.27 : x
  2. Step 2: Convert to fraction form
    53,326.15/79,939.77 = 20,068.27/x
  3. Step 3: Cross multiply
    53,326.15x = 79,939.77 × 20,068.27
  4. Step 4: Simplify right side
    53,326.15x = 1,604,252,888.10
  5. Step 5: Solve for x
    x = 1,604,252,888.10/53,326.15
  6. Step 6: Final answer
    x = 30,083.79

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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.