Home / 57,036.75-78,720.42-33,177.25

Finding the Fourth Proportional to 57,036.75, 78,720.42 and 33,177.25

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Solution

The fourth proportional to 57,036.75, 78,720.42 and 33,177.25 is: 45,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,036.75 : 78,720.42 = 33,177.25 : x
  2. Step 2: Convert to fraction form
    57,036.75/78,720.42 = 33,177.25/x
  3. Step 3: Cross multiply
    57,036.75x = 78,720.42 × 33,177.25
  4. Step 4: Simplify right side
    57,036.75x = 2,611,727,054.45
  5. Step 5: Solve for x
    x = 2,611,727,054.45/57,036.75
  6. Step 6: Final answer
    x = 45,790.25

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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.