Home / 107,663.97-148,422.31-75,733.77

Finding the Fourth Proportional to 107,663.97, 148,422.31 and 75,733.77

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Solution

The fourth proportional to 107,663.97, 148,422.31 and 75,733.77 is: 104,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,663.97 : 148,422.31 = 75,733.77 : x
  2. Step 2: Convert to fraction form
    107,663.97/148,422.31 = 75,733.77/x
  3. Step 3: Cross multiply
    107,663.97x = 148,422.31 × 75,733.77
  4. Step 4: Simplify right side
    107,663.97x = 11,240,581,088.41
  5. Step 5: Solve for x
    x = 11,240,581,088.41/107,663.97
  6. Step 6: Final answer
    x = 104,404.30

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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.