Home / 53,236.19-79,854.29-13,793.31

Finding the Fourth Proportional to 53,236.19, 79,854.29 and 13,793.31

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Solution

The fourth proportional to 53,236.19, 79,854.29 and 13,793.31 is: 20,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.19 : 79,854.29 = 13,793.31 : x
  2. Step 2: Convert to fraction form
    53,236.19/79,854.29 = 13,793.31/x
  3. Step 3: Cross multiply
    53,236.19x = 79,854.29 × 13,793.31
  4. Step 4: Simplify right side
    53,236.19x = 1,101,454,907.83
  5. Step 5: Solve for x
    x = 1,101,454,907.83/53,236.19
  6. Step 6: Final answer
    x = 20,689.97

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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.