Home / 53,147.39-73,343.39-29,274.06

Finding the Fourth Proportional to 53,147.39, 73,343.39 and 29,274.06

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Solution

The fourth proportional to 53,147.39, 73,343.39 and 29,274.06 is: 40,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.39 : 73,343.39 = 29,274.06 : x
  2. Step 2: Convert to fraction form
    53,147.39/73,343.39 = 29,274.06/x
  3. Step 3: Cross multiply
    53,147.39x = 73,343.39 × 29,274.06
  4. Step 4: Simplify right side
    53,147.39x = 2,147,058,726.28
  5. Step 5: Solve for x
    x = 2,147,058,726.28/53,147.39
  6. Step 6: Final answer
    x = 40,398.20

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1.5x scale

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.