Home / 74,113.64-111,173.55-21,523.13

Finding the Fourth Proportional to 74,113.64, 111,173.55 and 21,523.13

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Solution

The fourth proportional to 74,113.64, 111,173.55 and 21,523.13 is: 32,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,113.64 : 111,173.55 = 21,523.13 : x
  2. Step 2: Convert to fraction form
    74,113.64/111,173.55 = 21,523.13/x
  3. Step 3: Cross multiply
    74,113.64x = 111,173.55 × 21,523.13
  4. Step 4: Simplify right side
    74,113.64x = 2,392,802,769.21
  5. Step 5: Solve for x
    x = 2,392,802,769.21/74,113.64
  6. Step 6: Final answer
    x = 32,285.59

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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.