Home / 74,905.12-112,357.64-22,313.24

Finding the Fourth Proportional to 74,905.12, 112,357.64 and 22,313.24

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Solution

The fourth proportional to 74,905.12, 112,357.64 and 22,313.24 is: 33,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.12 : 112,357.64 = 22,313.24 : x
  2. Step 2: Convert to fraction form
    74,905.12/112,357.64 = 22,313.24/x
  3. Step 3: Cross multiply
    74,905.12x = 112,357.64 × 22,313.24
  4. Step 4: Simplify right side
    74,905.12x = 2,507,062,987.15
  5. Step 5: Solve for x
    x = 2,507,062,987.15/74,905.12
  6. Step 6: Final answer
    x = 33,469.85

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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.