Home / 58,701.89-81,006.40-31,843.51

Finding the Fourth Proportional to 58,701.89, 81,006.40 and 31,843.51

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Solution

The fourth proportional to 58,701.89, 81,006.40 and 31,843.51 is: 43,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,701.89 : 81,006.40 = 31,843.51 : x
  2. Step 2: Convert to fraction form
    58,701.89/81,006.40 = 31,843.51/x
  3. Step 3: Cross multiply
    58,701.89x = 81,006.40 × 31,843.51
  4. Step 4: Simplify right side
    58,701.89x = 2,579,528,108.46
  5. Step 5: Solve for x
    x = 2,579,528,108.46/58,701.89
  6. Step 6: Final answer
    x = 43,942.85

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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.