Home / 74,732.40-103,129.20-41,198.40

Finding the Fourth Proportional to 74,732.40, 103,129.20 and 41,198.40

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Solution

The fourth proportional to 74,732.40, 103,129.20 and 41,198.40 is: 56,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732.40 : 103,129.20 = 41,198.40 : x
  2. Step 2: Convert to fraction form
    74,732.40/103,129.20 = 41,198.40/x
  3. Step 3: Cross multiply
    74,732.40x = 103,129.20 × 41,198.40
  4. Step 4: Simplify right side
    74,732.40x = 4,248,758,033.28
  5. Step 5: Solve for x
    x = 4,248,758,033.28/74,732.40
  6. Step 6: Final answer
    x = 56,852.96

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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.