Home / 74,184.64-111,151.84-36,694.72

Finding the Fourth Proportional to 74,184.64, 111,151.84 and 36,694.72

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Solution

The fourth proportional to 74,184.64, 111,151.84 and 36,694.72 is: 54,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,184.64 : 111,151.84 = 36,694.72 : x
  2. Step 2: Convert to fraction form
    74,184.64/111,151.84 = 36,694.72/x
  3. Step 3: Cross multiply
    74,184.64x = 111,151.84 × 36,694.72
  4. Step 4: Simplify right side
    74,184.64x = 4,078,685,646.28
  5. Step 5: Solve for x
    x = 4,078,685,646.28/74,184.64
  6. Step 6: Final answer
    x = 54,980.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.