Home / 107,317.54-148,068.20-67,072.19

Finding the Fourth Proportional to 107,317.54, 148,068.20 and 67,072.19

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Solution

The fourth proportional to 107,317.54, 148,068.20 and 67,072.19 is: 92,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,317.54 : 148,068.20 = 67,072.19 : x
  2. Step 2: Convert to fraction form
    107,317.54/148,068.20 = 67,072.19/x
  3. Step 3: Cross multiply
    107,317.54x = 148,068.20 × 67,072.19
  4. Step 4: Simplify right side
    107,317.54x = 9,931,257,367.66
  5. Step 5: Solve for x
    x = 9,931,257,367.66/107,317.54
  6. Step 6: Final answer
    x = 92,540.86

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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.