Home / 40,755.47-61,133.63-11,173.31

Finding the Fourth Proportional to 40,755.47, 61,133.63 and 11,173.31

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Solution

The fourth proportional to 40,755.47, 61,133.63 and 11,173.31 is: 16,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,755.47 : 61,133.63 = 11,173.31 : x
  2. Step 2: Convert to fraction form
    40,755.47/61,133.63 = 11,173.31/x
  3. Step 3: Cross multiply
    40,755.47x = 61,133.63 × 11,173.31
  4. Step 4: Simplify right side
    40,755.47x = 683,064,999.42
  5. Step 5: Solve for x
    x = 683,064,999.42/40,755.47
  6. Step 6: Final answer
    x = 16,760.08

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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.