Home / 107,390.08-148,272.44-67,121.93

Finding the Fourth Proportional to 107,390.08, 148,272.44 and 67,121.93

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Solution

The fourth proportional to 107,390.08, 148,272.44 and 67,121.93 is: 92,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,390.08 : 148,272.44 = 67,121.93 : x
  2. Step 2: Convert to fraction form
    107,390.08/148,272.44 = 67,121.93/x
  3. Step 3: Cross multiply
    107,390.08x = 148,272.44 × 67,121.93
  4. Step 4: Simplify right side
    107,390.08x = 9,952,332,338.61
  5. Step 5: Solve for x
    x = 9,952,332,338.61/107,390.08
  6. Step 6: Final answer
    x = 92,674.60

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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.