Home / 57,122.44-78,837.67-35,615.69

Finding the Fourth Proportional to 57,122.44, 78,837.67 and 35,615.69

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Solution

The fourth proportional to 57,122.44, 78,837.67 and 35,615.69 is: 49,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,122.44 : 78,837.67 = 35,615.69 : x
  2. Step 2: Convert to fraction form
    57,122.44/78,837.67 = 35,615.69/x
  3. Step 3: Cross multiply
    57,122.44x = 78,837.67 × 35,615.69
  4. Step 4: Simplify right side
    57,122.44x = 2,807,858,015.04
  5. Step 5: Solve for x
    x = 2,807,858,015.04/57,122.44
  6. Step 6: Final answer
    x = 49,155.08

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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.