Home / 53,003.41-73,146.63-29,131.90

Finding the Fourth Proportional to 53,003.41, 73,146.63 and 29,131.90

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Solution

The fourth proportional to 53,003.41, 73,146.63 and 29,131.90 is: 40,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.41 : 73,146.63 = 29,131.90 : x
  2. Step 2: Convert to fraction form
    53,003.41/73,146.63 = 29,131.90/x
  3. Step 3: Cross multiply
    53,003.41x = 73,146.63 × 29,131.90
  4. Step 4: Simplify right side
    53,003.41x = 2,130,900,310.50
  5. Step 5: Solve for x
    x = 2,130,900,310.50/53,003.41
  6. Step 6: Final answer
    x = 40,203.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.