Home / 107,458.74-148,247.07-67,102.44

Finding the Fourth Proportional to 107,458.74, 148,247.07 and 67,102.44

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Solution

The fourth proportional to 107,458.74, 148,247.07 and 67,102.44 is: 92,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,458.74 : 148,247.07 = 67,102.44 : x
  2. Step 2: Convert to fraction form
    107,458.74/148,247.07 = 67,102.44/x
  3. Step 3: Cross multiply
    107,458.74x = 148,247.07 × 67,102.44
  4. Step 4: Simplify right side
    107,458.74x = 9,947,739,043.10
  5. Step 5: Solve for x
    x = 9,947,739,043.10/107,458.74
  6. Step 6: Final answer
    x = 92,572.64

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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.