Home / 53,002.41-73,145.25-29,130.90

Finding the Fourth Proportional to 53,002.41, 73,145.25 and 29,130.90

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Solution

The fourth proportional to 53,002.41, 73,145.25 and 29,130.90 is: 40,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.41 : 73,145.25 = 29,130.90 : x
  2. Step 2: Convert to fraction form
    53,002.41/73,145.25 = 29,130.90/x
  3. Step 3: Cross multiply
    53,002.41x = 73,145.25 × 29,130.90
  4. Step 4: Simplify right side
    53,002.41x = 2,130,786,963.23
  5. Step 5: Solve for x
    x = 2,130,786,963.23/53,002.41
  6. Step 6: Final answer
    x = 40,201.70

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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.