Home / 53,083.16-79,622.11-19,800.63

Finding the Fourth Proportional to 53,083.16, 79,622.11 and 19,800.63

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Solution

The fourth proportional to 53,083.16, 79,622.11 and 19,800.63 is: 29,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,083.16 : 79,622.11 = 19,800.63 : x
  2. Step 2: Convert to fraction form
    53,083.16/79,622.11 = 19,800.63/x
  3. Step 3: Cross multiply
    53,083.16x = 79,622.11 × 19,800.63
  4. Step 4: Simplify right side
    53,083.16x = 1,576,567,939.93
  5. Step 5: Solve for x
    x = 1,576,567,939.93/53,083.16
  6. Step 6: Final answer
    x = 29,699.96

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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.