Home / 50,663.13-75,953.70-21,103.17

Finding the Fourth Proportional to 50,663.13, 75,953.70 and 21,103.17

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Solution

The fourth proportional to 50,663.13, 75,953.70 and 21,103.17 is: 31,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,663.13 : 75,953.70 = 21,103.17 : x
  2. Step 2: Convert to fraction form
    50,663.13/75,953.70 = 21,103.17/x
  3. Step 3: Cross multiply
    50,663.13x = 75,953.70 × 21,103.17
  4. Step 4: Simplify right side
    50,663.13x = 1,602,863,843.23
  5. Step 5: Solve for x
    x = 1,602,863,843.23/50,663.13
  6. Step 6: Final answer
    x = 31,637.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.