Home / 74,504.16-102,786.66-42,656.04

Finding the Fourth Proportional to 74,504.16, 102,786.66 and 42,656.04

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Solution

The fourth proportional to 74,504.16, 102,786.66 and 42,656.04 is: 58,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,504.16 : 102,786.66 = 42,656.04 : x
  2. Step 2: Convert to fraction form
    74,504.16/102,786.66 = 42,656.04/x
  3. Step 3: Cross multiply
    74,504.16x = 102,786.66 × 42,656.04
  4. Step 4: Simplify right side
    74,504.16x = 4,384,471,880.43
  5. Step 5: Solve for x
    x = 4,384,471,880.43/74,504.16
  6. Step 6: Final answer
    x = 58,848.69

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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.