Home / 57,059.60-78,729.54-33,188.36

Finding the Fourth Proportional to 57,059.60, 78,729.54 and 33,188.36

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Solution

The fourth proportional to 57,059.60, 78,729.54 and 33,188.36 is: 45,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,059.60 : 78,729.54 = 33,188.36 : x
  2. Step 2: Convert to fraction form
    57,059.60/78,729.54 = 33,188.36/x
  3. Step 3: Cross multiply
    57,059.60x = 78,729.54 × 33,188.36
  4. Step 4: Simplify right side
    57,059.60x = 2,612,904,316.15
  5. Step 5: Solve for x
    x = 2,612,904,316.15/57,059.60
  6. Step 6: Final answer
    x = 45,792.55

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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.