Home / 57,032.06-78,709.11-33,157.22

Finding the Fourth Proportional to 57,032.06, 78,709.11 and 33,157.22

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Solution

The fourth proportional to 57,032.06, 78,709.11 and 33,157.22 is: 45,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,032.06 : 78,709.11 = 33,157.22 : x
  2. Step 2: Convert to fraction form
    57,032.06/78,709.11 = 33,157.22/x
  3. Step 3: Cross multiply
    57,032.06x = 78,709.11 × 33,157.22
  4. Step 4: Simplify right side
    57,032.06x = 2,609,775,276.27
  5. Step 5: Solve for x
    x = 2,609,775,276.27/57,032.06
  6. Step 6: Final answer
    x = 45,759.79

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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.