Home / 74,433.20-111,667.80-21,844.40

Finding the Fourth Proportional to 74,433.20, 111,667.80 and 21,844.40

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Solution

The fourth proportional to 74,433.20, 111,667.80 and 21,844.40 is: 32,771.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,433.20 : 111,667.80 = 21,844.40 : x
  2. Step 2: Convert to fraction form
    74,433.20/111,667.80 = 21,844.40/x
  3. Step 3: Cross multiply
    74,433.20x = 111,667.80 × 21,844.40
  4. Step 4: Simplify right side
    74,433.20x = 2,439,316,090.32
  5. Step 5: Solve for x
    x = 2,439,316,090.32/74,433.20
  6. Step 6: Final answer
    x = 32,771.88

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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.