Home / 52,942.16-73,054.80-31,720.88

Finding the Fourth Proportional to 52,942.16, 73,054.80 and 31,720.88

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Solution

The fourth proportional to 52,942.16, 73,054.80 and 31,720.88 is: 43,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,942.16 : 73,054.80 = 31,720.88 : x
  2. Step 2: Convert to fraction form
    52,942.16/73,054.80 = 31,720.88/x
  3. Step 3: Cross multiply
    52,942.16x = 73,054.80 × 31,720.88
  4. Step 4: Simplify right side
    52,942.16x = 2,317,362,544.22
  5. Step 5: Solve for x
    x = 2,317,362,544.22/52,942.16
  6. Step 6: Final answer
    x = 43,771.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.