Home / 74,179.13-111,282.64-29,809.40

Finding the Fourth Proportional to 74,179.13, 111,282.64 and 29,809.40

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Solution

The fourth proportional to 74,179.13, 111,282.64 and 29,809.40 is: 44,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179.13 : 111,282.64 = 29,809.40 : x
  2. Step 2: Convert to fraction form
    74,179.13/111,282.64 = 29,809.40/x
  3. Step 3: Cross multiply
    74,179.13x = 111,282.64 × 29,809.40
  4. Step 4: Simplify right side
    74,179.13x = 3,317,268,097.88
  5. Step 5: Solve for x
    x = 3,317,268,097.88/74,179.13
  6. Step 6: Final answer
    x = 44,719.70

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1.5x scale

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.