Home / 107,879.04-148,869.63-67,614.54

Finding the Fourth Proportional to 107,879.04, 148,869.63 and 67,614.54

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Solution

The fourth proportional to 107,879.04, 148,869.63 and 67,614.54 is: 93,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,879.04 : 148,869.63 = 67,614.54 : x
  2. Step 2: Convert to fraction form
    107,879.04/148,869.63 = 67,614.54/x
  3. Step 3: Cross multiply
    107,879.04x = 148,869.63 × 67,614.54
  4. Step 4: Simplify right side
    107,879.04x = 10,065,751,552.42
  5. Step 5: Solve for x
    x = 10,065,751,552.42/107,879.04
  6. Step 6: Final answer
    x = 93,305.91

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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.