Home / 107,663.47-148,421.62-75,733.27

Finding the Fourth Proportional to 107,663.47, 148,421.62 and 75,733.27

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Solution

The fourth proportional to 107,663.47, 148,421.62 and 75,733.27 is: 104,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,663.47 : 148,421.62 = 75,733.27 : x
  2. Step 2: Convert to fraction form
    107,663.47/148,421.62 = 75,733.27/x
  3. Step 3: Cross multiply
    107,663.47x = 148,421.62 × 75,733.27
  4. Step 4: Simplify right side
    107,663.47x = 11,240,454,621.30
  5. Step 5: Solve for x
    x = 11,240,454,621.30/107,663.47
  6. Step 6: Final answer
    x = 104,403.61

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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.