Home / 107,318.64-148,100.30-67,055.76

Finding the Fourth Proportional to 107,318.64, 148,100.30 and 67,055.76

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Solution

The fourth proportional to 107,318.64, 148,100.30 and 67,055.76 is: 92,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,318.64 : 148,100.30 = 67,055.76 : x
  2. Step 2: Convert to fraction form
    107,318.64/148,100.30 = 67,055.76/x
  3. Step 3: Cross multiply
    107,318.64x = 148,100.30 × 67,055.76
  4. Step 4: Simplify right side
    107,318.64x = 9,930,978,172.73
  5. Step 5: Solve for x
    x = 9,930,978,172.73/107,318.64
  6. Step 6: Final answer
    x = 92,537.31

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1.5x scale

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.