Home / 58,859.09-81,238.44-38,717.96

Finding the Fourth Proportional to 58,859.09, 81,238.44 and 38,717.96

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Solution

The fourth proportional to 58,859.09, 81,238.44 and 38,717.96 is: 53,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,859.09 : 81,238.44 = 38,717.96 : x
  2. Step 2: Convert to fraction form
    58,859.09/81,238.44 = 38,717.96/x
  3. Step 3: Cross multiply
    58,859.09x = 81,238.44 × 38,717.96
  4. Step 4: Simplify right side
    58,859.09x = 3,145,386,670.38
  5. Step 5: Solve for x
    x = 3,145,386,670.38/58,859.09
  6. Step 6: Final answer
    x = 53,439.27

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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.