Home / 53,002.16-73,144.68-29,131.04

Finding the Fourth Proportional to 53,002.16, 73,144.68 and 29,131.04

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Solution

The fourth proportional to 53,002.16, 73,144.68 and 29,131.04 is: 40,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.16 : 73,144.68 = 29,131.04 : x
  2. Step 2: Convert to fraction form
    53,002.16/73,144.68 = 29,131.04/x
  3. Step 3: Cross multiply
    53,002.16x = 73,144.68 × 29,131.04
  4. Step 4: Simplify right side
    53,002.16x = 2,130,780,598.87
  5. Step 5: Solve for x
    x = 2,130,780,598.87/53,002.16
  6. Step 6: Final answer
    x = 40,201.77

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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.