Home / 74,033.58-102,166.01-40,042.10

Finding the Fourth Proportional to 74,033.58, 102,166.01 and 40,042.10

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Solution

The fourth proportional to 74,033.58, 102,166.01 and 40,042.10 is: 55,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,033.58 : 102,166.01 = 40,042.10 : x
  2. Step 2: Convert to fraction form
    74,033.58/102,166.01 = 40,042.10/x
  3. Step 3: Cross multiply
    74,033.58x = 102,166.01 × 40,042.10
  4. Step 4: Simplify right side
    74,033.58x = 4,090,941,589.02
  5. Step 5: Solve for x
    x = 4,090,941,589.02/74,033.58
  6. Step 6: Final answer
    x = 55,257.92

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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.