Home / 74,478.39-111,682.47-27,060.05

Finding the Fourth Proportional to 74,478.39, 111,682.47 and 27,060.05

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Solution

The fourth proportional to 74,478.39, 111,682.47 and 27,060.05 is: 40,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,478.39 : 111,682.47 = 27,060.05 : x
  2. Step 2: Convert to fraction form
    74,478.39/111,682.47 = 27,060.05/x
  3. Step 3: Cross multiply
    74,478.39x = 111,682.47 × 27,060.05
  4. Step 4: Simplify right side
    74,478.39x = 3,022,133,212.79
  5. Step 5: Solve for x
    x = 3,022,133,212.79/74,478.39
  6. Step 6: Final answer
    x = 40,577.32

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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.