Home / 58,740.57-81,062.07-31,883.09

Finding the Fourth Proportional to 58,740.57, 81,062.07 and 31,883.09

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Solution

The fourth proportional to 58,740.57, 81,062.07 and 31,883.09 is: 43,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,740.57 : 81,062.07 = 31,883.09 : x
  2. Step 2: Convert to fraction form
    58,740.57/81,062.07 = 31,883.09/x
  3. Step 3: Cross multiply
    58,740.57x = 81,062.07 × 31,883.09
  4. Step 4: Simplify right side
    58,740.57x = 2,584,508,868.09
  5. Step 5: Solve for x
    x = 2,584,508,868.09/58,740.57
  6. Step 6: Final answer
    x = 43,998.70

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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.