Home / 52,793.12-79,182.24-13,347.80

Finding the Fourth Proportional to 52,793.12, 79,182.24 and 13,347.80

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Solution

The fourth proportional to 52,793.12, 79,182.24 and 13,347.80 is: 20,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,793.12 : 79,182.24 = 13,347.80 : x
  2. Step 2: Convert to fraction form
    52,793.12/79,182.24 = 13,347.80/x
  3. Step 3: Cross multiply
    52,793.12x = 79,182.24 × 13,347.80
  4. Step 4: Simplify right side
    52,793.12x = 1,056,908,703.07
  5. Step 5: Solve for x
    x = 1,056,908,703.07/52,793.12
  6. Step 6: Final answer
    x = 20,019.82

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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.