Home / 57,303.44-79,077.50-31,808.32

Finding the Fourth Proportional to 57,303.44, 79,077.50 and 31,808.32

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Solution

The fourth proportional to 57,303.44, 79,077.50 and 31,808.32 is: 43,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,303.44 : 79,077.50 = 31,808.32 : x
  2. Step 2: Convert to fraction form
    57,303.44/79,077.50 = 31,808.32/x
  3. Step 3: Cross multiply
    57,303.44x = 79,077.50 × 31,808.32
  4. Step 4: Simplify right side
    57,303.44x = 2,515,322,424.80
  5. Step 5: Solve for x
    x = 2,515,322,424.80/57,303.44
  6. Step 6: Final answer
    x = 43,894.79

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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.