Home / 58,789.29-81,130.11-31,932.33

Finding the Fourth Proportional to 58,789.29, 81,130.11 and 31,932.33

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Solution

The fourth proportional to 58,789.29, 81,130.11 and 31,932.33 is: 44,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,789.29 : 81,130.11 = 31,932.33 : x
  2. Step 2: Convert to fraction form
    58,789.29/81,130.11 = 31,932.33/x
  3. Step 3: Cross multiply
    58,789.29x = 81,130.11 × 31,932.33
  4. Step 4: Simplify right side
    58,789.29x = 2,590,673,021.47
  5. Step 5: Solve for x
    x = 2,590,673,021.47/58,789.29
  6. Step 6: Final answer
    x = 44,067.09

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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.