Home / 53,211.48-79,836.30-22,803.86

Finding the Fourth Proportional to 53,211.48, 79,836.30 and 22,803.86

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Solution

The fourth proportional to 53,211.48, 79,836.30 and 22,803.86 is: 34,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.48 : 79,836.30 = 22,803.86 : x
  2. Step 2: Convert to fraction form
    53,211.48/79,836.30 = 22,803.86/x
  3. Step 3: Cross multiply
    53,211.48x = 79,836.30 × 22,803.86
  4. Step 4: Simplify right side
    53,211.48x = 1,820,575,408.94
  5. Step 5: Solve for x
    x = 1,820,575,408.94/53,211.48
  6. Step 6: Final answer
    x = 34,213.96

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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.