Home / 53,138.88-73,331.66-29,265.51

Finding the Fourth Proportional to 53,138.88, 73,331.66 and 29,265.51

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Solution

The fourth proportional to 53,138.88, 73,331.66 and 29,265.51 is: 40,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.88 : 73,331.66 = 29,265.51 : x
  2. Step 2: Convert to fraction form
    53,138.88/73,331.66 = 29,265.51/x
  3. Step 3: Cross multiply
    53,138.88x = 73,331.66 × 29,265.51
  4. Step 4: Simplify right side
    53,138.88x = 2,146,088,429.05
  5. Step 5: Solve for x
    x = 2,146,088,429.05/53,138.88
  6. Step 6: Final answer
    x = 40,386.41

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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.